Brief introduction of Wireless network lock system

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Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, providingus with the convenience and flexibility to connect to the internet and communicate with others without being tethered to a physical connection. However, with this convenience comes a host of challenges and issues that need to be addressed to ensure the seamless functioning of wireless networks. One of the primary problems with wireless networks is the issue of interference. With the proliferation of devices that rely on wireless connectivity, such as smartphones, tablets, andsmart home devices, the airwaves have become increasingly crowded. This can leadto signal interference, which can result in slower connection speeds, dropped connections, and overall poor network performance. Additionally, other electronic devices and even physical obstacles can cause interference, further complicatingthe issue. Another significant problem with wireless networks is security.Wireless networks are inherently more vulnerable to security breaches compared to wired networks, as the signals are broadcasted through the air and can be intercepted by malicious actors. Without proper security measures in place,wireless networks are at risk of unauthorized access, data breaches, and othercyber threats. This is a major concern for both individuals and businesses, as the potential for sensitive information to be compromised is a real and pressing issue. Furthermore, the range and coverage of wireless networks can also pose a problem, especially in larger spaces or areas with many physical barriers. Dead zones and areas with weak signal strength can be frustrating for users, leading to a pooruser experience and hampering productivity. This issue is particularly relevant in settings such as office buildings, campuses, and public spaces, where a reliableand consistent wireless connection is essential. In addition to these technical challenges, the rapid advancement of wireless technology presents its own set of problems. As new standards and protocols are developed, older devices and infrastructure may become obsolete or incompatible with the latest advancements. This can lead to issues of interoperability and can necessitate costly upgrades or replacements to ensure compatibility and functionality. From a societal perspective, the digital divide is a significant problem that is exacerbated by issues with wireless networks. In areas with limited access to reliable andaffordable wireless connectivity, individuals and communities are at a disadvantage in terms of accessing educational resources, job opportunities, and essential services. This can perpetuate existing inequalities and hinder social and economic development. Addressing these problems requires a multi-faceted approach that involves technological innovation, policy and regulation, and collaboration between stakeholders. Technological advancements in wireless networking equipment and protocols, such as the development of more efficient spectrum utilization and improved signal processing techniques, can help mitigate issues of interference and coverage. Additionally, the implementation of robust security measures, such as encryption, authentication, and intrusion detection systems, is crucial in safeguarding wireless networks from cyber threats. Furthermore, efforts to bridge the digital divide and ensure equitable access to wireless connectivity are essential in addressing the societal implications of wireless network problems. This can involve initiatives such as government subsidies for broadband access, public-private partnerships to expand network infrastructure, and community-based programs to promote digital literacy and inclusion. In conclusion, while wireless networks have revolutionized the way we connect and communicate, they are not without their challenges. Interference, security vulnerabilities, coverage limitations, technological obsolescence, and societal inequalities are all pressing issues that need to be addressed to ensure the reliability, security, and accessibility of wireless networks. By taking a comprehensive and collaborative approach, we can work towards overcoming these problems and harnessing the full potential of wireless connectivity for the benefit of individuals, businesses, and society as a whole.。

Wireless Network(无线网络)

无线局域网发展
无线局域网技术经过十几年的发展，已经历了三代技术及产 AP，AP本身储存了大量的网络和安全的配置，包括加密的密钥，认证报文终结等，而AP又是分散在各处的，一旦AP的配置被盗取读出并修改，其无线网络系统就失去了安全性。特别是在管理方面，每一台AP都要单独进行配置，费时、费力、费成本。
要对无线网络优化技术进行科学合理地运用，就要求彻底分析和研究无线网络优化工作涉及到的技术，同时还要完全了解无线网络优化技术的结构以及内涵。相关无线网络优化人员必须有很强的责任心，这样才能科学、合理、有效地提升无线网络优化的技术水平。目前，无线网络优化技术构成包括： 1. 干扰控制技术 2. 无线网络拓扑技术 3. 覆盖优化技术 4. 频率优化技术 5. 切换性能优化技术 6. 话务均衡技术
无线网络优化技术
意义
对无线网络进行优化就是对无线网络的进一步补充以及完善，改善无线网络现存的一些不足之处。通过对无线网络的优化，可以使得其更加合理化和科学化，这是为了适应电信业务的高速发展所要做出的必然选择，也是为了能够全面提高无线网络的整体功能以及服务质量所要经历的必然过程。
无线网络优化技术的结构组成
无线局域网
无线局域网技术可以使用户在本地创建无线连接（例如，在校园或公司的大楼里，或在肯德基等公共场所）。WLAN可用于临时办公室或其他无法大范围布线的场所，或者用于增强现有的LAN，使用户可以在不同时间、在办公楼的不同地方工作。无线局域网(WLAN)技术于20世纪90年代逐渐成熟并广泛使用，既可以作为传统有线网络的延伸，在某些环境也可以替换传统的有线网络。相比较传统的有线传输解决方案，无线局域网是使用wLAN网络实现数据传输，拥有如下显著特点。
简易性：WLAN网络系统集成的施工J陕速简单，可极大地减少管道架设及布线等繁琐工作；灵活性：无线技术使得WLAN网络设备可以灵活地进行安装并调整位置，使无线网络到达有线网络不容易覆盖的位置；综合预算较低：一方面WLAN网络减少了综合布线的费用，另一方面在复杂变化的动态环境及需要频繁移动情况中，无线局域网技术能更好地保护学校的已有投资。同时，由于WLAN技术是面向数据通信领域的IP传输技术，因而可直接通过千兆白适应网口和企业内部Internet相连，从体系结构上节省了协议转换器等相关网络设备；扩展能力强：WLAN网络体系本身就能支撑多种拓扑结构及平滑扩容，可以非常容易地从小容量传输系统平滑扩大为中等容量传输系统。

wifi简介

Nesic Service Set,BSS:The most basic service unit of the network. The simplest unit of service can be made up of only two sites. A site can dynamically connect (Associate) to the basic service unit. 2:Distribution System,DS:The allocation system is used to connect different basic service units. The medium used by the distribution system (Medium) is completely separated from the basic service unit logically, though physically they may be the same medium, such as the same wireless band. 3:Access Point,AP:The access point not only has the identity of the common site, but also has the function of accessing the distribution system.
What is WiFi

The common thing is a wireless router WIFI (WIreless-FIdelity) wireless connection is a technology that can connect personal computers, handheld devices (such as PAD, mobile phone) and other terminals in wireless way. In fact, it is a high frequency radio signal. Wireless network in the category of WLAN is "wireless compatibility authentication", which is essentially a kind of commercial authentication, and is also a wireless networking technology.

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, revolutionizing the way we connect and communicate with each other. The evolution of wireless technology has enabled us to stay connected on the go, whether it's checking emails, streaming videos, or staying in touch with loved ones. With the rise of smartphones, laptops, and other connected devices, the demand for faster and more reliable wireless networks has soared. One of the key advantages of wireless networks is their flexibility and convenience. Unlike traditional wired networks, wireless networks allow users to access the internet from anywherewithin the network's range. This freedom of movement has transformed the way we work and play, enabling us to stay productive even when we're on the move. Whether it's working from a coffee shop, streaming music at the gym, or video chattingwith friends from the park, wireless networks have made it easier than ever tostay connected. However, the convenience of wireless networks also comes with its own set of challenges. One of the biggest concerns is network security. Wireless networks are more vulnerable to hacking and unauthorized access compared to wired networks. Without proper security measures in place, sensitive information such as personal data, financial details, and business documents can be easily compromised. This has led to an increased focus on network security, with businesses and individuals investing in encryption, firewalls, and other security protocols to protect their data. In addition to security concerns, the performance of wireless networks can also be affected by external factors such as network congestion, interference, and signal range. Wireless signals can be disrupted by physical obstacles such as walls, furniture, and other electronic devices, leading to slow connection speeds and dropped connections. To address these issues, network providers are constantly innovating and improving their technologies to deliver faster, more reliable wireless connections. The impact of wireless networks goes beyond just connectivity. It has also revolutionized industries such as healthcare, education, and transportation. In healthcare, wireless networks enable doctors and nurses to access patient records and medical information in real-time, improving the quality of care and patient outcomes. In education, wireless networks enable students to access online resources, collaborate with peers, and take virtualclasses from anywhere in the world. In transportation, wireless networks are used to track vehicles, monitor traffic patterns, and improve road safety. Despite the challenges and concerns associated with wireless networks, the benefits far outweigh the drawbacks. The freedom and flexibility that wireless networks provide have transformed the way we live, work, and communicate. As technology continues to advance, we can expect to see even faster, more reliable wireless networks that will further enhance our connectivity and productivity. Wireless networks have truly changed the world, connecting us in ways we never thought possible.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, providing us with the convenience and flexibility of staying connected without the constraints of physical cables. However, they also come with their fair share of problems and challenges that need to be addressed. From security concerns to connectivity issues, there are several aspects to consider when discussing the problems associated with wireless networks. One of the most pressing problems with wireless networks is the issue of security. With the increasing reliance on wireless connectivity for both personal and professional use, the risk of unauthorized access and data breaches has become a major concern. Hackers and cybercriminals are constantly looking for vulnerabilities in wireless networks to exploit, putting sensitive information and personal data at risk. This can lead to identity theft, financial fraud, and other serious consequences for individuals and businesses alike. As a result, there is a growing need for stronger security measures and protocols to protect wireless networks from potential threats. Another common problem with wireless networks is the issue of connectivity and signal strength. While wireless technology has advanced significantly over the years, there are still instances where users experience poor connectivity and weak signals, especially in areas with high network congestion or physical barriers. This can be frustrating for users who rely on wireless networks for their daily activities, such as remote work, online learning, and entertainment. It also poses a challenge for businesses that depend on wireless connectivity to operate efficiently. As such, there is a need for ongoing improvements in network infrastructure and technology to ensure reliable and consistent connectivity for all users. In addition to security and connectivity issues, the proliferation of wireless networks has also raised concerns about electromagnetic radiation and its potential impact on human health. While the scientific community has yet to reach a consensus on the long-term effects of exposure to wireless radiation, there are growing fears and uncertainties among the general public. This has led to callsfor more research and regulation to address these concerns and ensure the safety of wireless technology for users of all ages. Furthermore, the rapid growth of Internet of Things (IoT) devices and smart technologies has added another layer ofcomplexity to wireless networks. The increasing number of connected devices, such as smart home appliances, wearable gadgets, and industrial sensors, has put a strain on existing wireless infrastructure and has created new challenges in terms of network management and optimization. As a result, there is a need for innovative solutions and strategies to accommodate the growing demands of IoT while maintaining the efficiency and reliability of wireless networks. Moreover, the issue of interoperability and compatibility between different wireless devices and standards has also emerged as a significant problem in the realm of wireless networks. With the diversity of devices and technologies available in the market, users often face difficulties in ensuring seamless connectivity and communication between their various wireless gadgets. This not only hampers the user experience but also complicates the deployment and management of wireless networks for businesses and service providers. Therefore, there is a need for greater collaboration and standardization efforts within the industry to address these compatibility issues and improve the overall usability of wireless networks. Lastly, the rapid evolution of wireless technology and the emergence of new communication standards, such as 5G, have posed challenges in terms of network infrastructure and investment. The deployment of advanced wireless networks requires substantial financial resources and long-term planning, which can be a barrier for many regions and communities, especially in developing countries. As a result, there is a need for strategic investments and policies to bridge the digital divide and ensure equitable access to reliable and high-speed wireless connectivity for all. In conclusion, wireless networks have revolutionized the way we communicate and interact with the digital world, but they also come with a myriad of problems and challenges that need to be addressed. From security and connectivity issues to health concerns and infrastructure requirements, there are several aspects to consider when discussing the problems associated with wireless networks. It is essential for stakeholders, including governments, businesses, and technology providers, to work together in addressing these challenges and ensuring the continued growth and sustainability of wireless networks for the benefit ofall users.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, providing us with the convenience and flexibility to stay connected from anywhere. However, they also come with their own set of challenges and issues that need to be addressed. From security concerns to connectivity issues, there are various aspects of wireless networks that need to be carefully considered. One of the most significant problems with wireless networks is the issue of security. With the increasing prevalence of cyber attacks and data breaches, ensuring thesecurity of wireless networks has become a top priority for individuals and businesses alike. Unauthorized access to a wireless network can lead to a range of problems, including the theft of sensitive information, disruption of services, and even financial loss. As such, it is crucial for individuals and organizations to implement robust security measures, such as encryption, strong passwords, and regular security updates, to protect their wireless networks from potential threats. In addition to security concerns, another common problem with wireless networks is the issue of connectivity. While wireless networks offer the convenience of mobility, they can also be prone to connectivity issues, such as signal interference, range limitations, and network congestion. These issues can result in slow internet speeds, dropped connections, and overall poor network performance, which can be frustrating for users. To address these connectivity issues, individuals and businesses can consider investing in high-quality routers, range extenders, and signal boosters, as well as optimizing their network settings to ensure a stable and reliable connection. Furthermore, the increasing number of devices connected to wireless networks has also led to the problem of network congestion. As more and more devices, such as smartphones, tablets, laptops, smart TVs, and IoT devices, compete for bandwidth on the same network, it can lead to slower internet speeds and reduced network performance. This can be particularly challenging in busy environments, such as offices, schools, and public spaces, where multiple users are simultaneously accessing the network. To alleviate network congestion, individuals and organizations can implement strategies such as prioritizing network traffic, upgrading to a higher bandwidth connection, and implementing Quality of Service (QoS) settings to ensure a smooth and consistentnetwork experience for all users. Moreover, the rapid advancements in wireless technology have also led to the problem of compatibility issues. With the introduction of new wireless standards, such as 802.11ac and 802.11ax, older devices may struggle to connect to and fully utilize the capabilities of modern wireless networks. This can result in reduced network performance and limited access to certain features and functionalities. To address compatibility issues, individuals and businesses can consider upgrading their devices to ones that support the latest wireless standards, or utilize compatibility modes and settings to ensure seamless connectivity for all devices on the network. Another significant problem with wireless networks is the potential health concerns associated with prolonged exposure to electromagnetic radiation. While the scientific community remains divided on the long-term health effects of wireless radiation, some individuals may experience symptoms such as headaches, fatigue, and insomnia due to their proximity to wireless devices and routers. To mitigate these concerns, individuals can consider implementing measures such as keeping wireless devices at a distance, using wired connections whenever possible, and limiting the use of wireless devices in close proximity to the body. In conclusion, wireless networks have revolutionized the way we stay connected and access information, but they also come with a unique set of challenges and problems that need to be addressed. From security concerns to connectivity issues, network congestion, compatibility problems, and potential health concerns, there are various aspects of wireless networks that individuals and organizations need to carefully consider. By implementing robust security measures, optimizing network settings, addressing compatibility issues, and mitigating potential health concerns, we can ensure a safe, reliable, and efficient wireless network experience for all users.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of modern society, revolutionizing the way we communicate, work, and interact with the world around us. From the convenience of Wi-Fi in our homes to the widespread use of cellular networks, the impact of wireless technology is undeniable. However, with this widespread adoption comes a host of challenges and considerations that need to be addressed. In this response, we will delve into the various perspectives surrounding wireless networks, including their benefits, challenges, and future implications. From a consumer perspective, wireless networks have undoubtedly improved the way we connect with the world. The convenience of being able to access the internet, make phone calls, and send messages from virtually anywhere has transformed the way we live our lives. Whether it's staying connected with loved ones, accessing important information on the go, or simply enjoying entertainment, wireless networks have made it all possible. The freedom and flexibility that wireless technology provides have become ingrained in our daily routines, and it's hard to imagine a world without it. On the other hand, businesses and organizations have also reaped the benefits of wireless networks. The ability to set up flexible work environments, enable mobile productivity, and streamline communication has led to increased efficiency and productivity. Moreover, industries such as healthcare, logistics, and manufacturing have leveraged wireless technology to improve their operations, leading to better patient care, optimized supply chains, and enhanced automation. The impact of wireless networks on the business world cannot be overstated, as it has fundamentally changed the way organizations operate and compete in the market. However, the widespread reliance on wireless networks has also brought about a myriad of challenges. One of the most pressing issues is the security of wireless communication. With the constant threat of cyber attacks, data breaches, and privacy concerns, ensuring the security of wireless networks has become a critical priority. From personal data being compromised to large-scale network intrusions, the implications of inadequate security measures can be severe. As technology continues to advance, the need for robust security protocols and encryption methods is paramount to safeguarding sensitive information and maintaining trustin wireless networks. Furthermore, the increasing demand for wireless bandwidth has led to concerns about network congestion and reliability. As more devices and applications compete for limited bandwidth, network performance can suffer, leading to slower speeds and dropped connections. This is especially evident in densely populated areas and during peak usage times. The ongoing development of 5G technology aims to address some of these challenges by offering faster speeds, lower latency, and greater capacity. However, the widespread implementation of 5G comes with its own set of infrastructure and compatibility issues that need to be carefully navigated. Looking ahead, the future of wireless networks holds both promise and uncertainty. The proliferation of the Internet of Things (IoT) and the emergence of smart cities, autonomous vehicles, and connected devices are poised to further revolutionize the way we interact with wireless technology. The potential for innovation and transformative applications is vast, but it also raises questions about the ethical, societal, and environmental impact of such advancements. Balancing the benefits of connectivity with the potential risks and consequences will be a crucial consideration as we continue to push the boundaries of wireless networks. In conclusion, wireless networks have undeniably transformed the way we live, work, and communicate. From enabling seamless connectivity to driving innovation across industries, the impact of wireless technology is far-reaching. However, it is essential to address the challenges surrounding security, reliability, and the ethical implications of future advancements. By carefully navigating these complexities, we can harness the full potential of wireless networks while ensuring a sustainable and secure digital future for generations to come.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, providing us with the convenience and flexibility to stay connected from anywhere. However, they also come with their own set of challenges and problems that can impact their performance and reliability. In this response, I will address some of the common problems associated with wireless networks, including interference, security concerns, and connectivity issues, while also discussing potential solutions and best practices to mitigate these issues. One of the most prevalent issues with wireless networks is interference, which can result from various sources such as other electronic devices, neighboring networks, or physical obstructions. This interference can cause disruptions in the wireless signal, leading to slow or unreliable connections. To address this problem, it is essential to identify the source of interference and take steps to minimize its impact. This can involve repositioning the wireless router, using devices that operate on different frequencies, or investing in signal boosters to improve coverage. Another significant concern with wireless networks is security. With the increasing prevalence of cyber threats and attacks, ensuring the security of a wireless network is crucial. Without proper security measures in place, wireless networks are vulnerable to unauthorized access, data breaches, and other malicious activities. To mitigate these risks, it is essential to implement strong encryption protocols, such as WPA2 or WPA3, and regularly update passwords to prevent unauthorized access. Additionally, enabling features such as network segmentation and guest networks can help enhance the overall security posture of the wireless network. In addition to interference and security issues, connectivity problems are also common in wireless networks. Dead zones, where the wireless signal is weak or nonexistent, can be a significant challenge, especially in larger or multi-story buildings. To address this issue, strategically placing wireless access points and repeaters can help extend the coverage area and improve connectivity in dead zones. Furthermore, utilizing mesh networking technology can create a more robust and seamless wireless network by enabling devices to connect to the nearest access point, thereby reducing connectivity issues. Moreover, the increasing number of connected devices in modern households and workplaces canstrain wireless networks, leading to performance issues and slow speeds. This problem, known as network congestion, can be alleviated by upgrading to a higher bandwidth or utilizing advanced technologies such as MU-MIMO (multi-user, multiple input, multiple output) to enable the router to communicate with multiple devices simultaneously. Additionally, optimizing the placement of wireless devices and minimizing the use of bandwidth-intensive applications can help alleviate network congestion and improve overall performance. Furthermore, the rapid advancement of wireless technology and the proliferation of IoT (Internet of Things) devices have introduced new complexities and challenges for wireless networks. The sheer volume of connected devices, each with its unique requirements and demands, can place a strain on the network infrastructure and impact its performance. To address this issue, implementing network management tools and solutions, such as Quality of Service (QoS) settings and device prioritization, can help optimize the network to accommodate the diverse needs of connected devices. In conclusion, wireless networks offer unparalleled convenience and flexibility, but they also come with their fair share of challenges and problems. Interference, security concerns, connectivity issues, network congestion, and the complexities introduced by IoT devices are all significant issues that can impact the performance and reliability of wireless networks. However, by implementing best practices, such as optimizing the placement of wireless devices, securing the network with robust encryption, and utilizing advanced technologies like mesh networking and MU-MIMO, many of these problems can be mitigated. As wireless technology continues to evolve, it is essential for users and organizations to stay informed about emerging challenges and adopt proactive measures to ensure the optimal performance and security of their wireless networks.。

Wireless Networks

Wireless NetworksWireless networks have revolutionized the way we communicate and access information, offering unprecedented convenience and flexibility. Their pervasive presence has transformed homes, businesses, and public spaces, enabling seamless connectivity and fostering new avenues for innovation. This essay will delve into the advantages and disadvantages of wireless networks, exploring their impact on our lives and considering the future of this transformative technology. One of the most significant advantages of wireless networks is their unparalleled convenience. Unlike traditional wired networks, wireless connections eliminate the need for cumbersome cables and offer greater freedom of movement. Users can effortlessly connect their devices, such as laptops, smartphones, and tablets, from virtually anywhere within the network's range. This mobility has liberated individuals from the constraints of fixed workstations, empowering them to work, learn, and socialize from diverse locations. Furthermore, wireless networks facilitate ease of installation and scalability. Setting up a wireless network is relatively straightforward, requiring minimal technical expertise. Users can quickly establish a connection without the complexities of wiring infrastructure. Moreover, expanding a wireless network is a seamless process, allowing for the addition of new devices and users without significant disruption. This flexibility makes wireless networks an ideal solution for both small-scale home networks and large-scale enterprise environments. However, despite their numerous advantages, wireless networks also present certain disadvantages. Security vulnerabilities pose a significant concern, as wireless signals can be intercepted by unauthorized individuals. Hackers can exploit weaknesses in encryption protocols to gain access to sensitive data transmitted over the network. Therefore, robust security measures, such as strong passwords and up-to-date encryption standards, arecrucial to mitigating these risks. Another drawback of wireless networks is their susceptibility to interference. Wireless signals can be disrupted by physical obstacles, competing networks, and electromagnetic radiation from electronic devices. This interference can result in reduced network performance, characterized by slow speeds, dropped connections, and intermittent connectivity. To optimize wireless network performance, it is essential to minimize interferencesources and position routers strategically for optimal signal strength. Despite these challenges, the future of wireless networks appears bright. Advancements in wireless technology, such as the development of 5G and Wi-Fi 6, promise faster speeds, greater capacity, and enhanced reliability. These next-generation wireless networks will unlock new possibilities for innovation, enabling emerging technologies such as the Internet of Things (IoT), virtual reality, and autonomous vehicles. In conclusion, wireless networks have profoundly transformed our lives, offering convenience, flexibility, and opportunities for innovation. Whilesecurity concerns and interference issues remain challenges, ongoing technological advancements pave the way for a future where wireless connectivity becomes even more integral to our personal and professional lives. The pervasive nature of wireless networks underscores their transformative impact on society, shaping the way we communicate, access information, and interact with the world around us.。

Wireless Networks

Wireless NetworksWireless networks have become an essential part of our daily lives, providing us with the convenience and flexibility to connect to the internet and communicate with others without being tied down by cables. The evolution of wirelesstechnology has revolutionized the way we work, play, and interact with the world around us. From Wi-Fi hotspots in cafes and airports to 5G networks that promise lightning-fast speeds, wireless networks have transformed the way we live in the digital age. One of the key benefits of wireless networks is the freedom they offer. With a wireless connection, you can access the internet from anywherewithin range of the network, whether you're at home, in a coffee shop, or on the go. This flexibility has made it easier than ever to stay connected and productive, no matter where you are. Whether you're working remotely, streaming your favorite TV shows, or video calling friends and family, wireless networks have made it possible to do so without the limitations of wired connections. However, the convenience of wireless networks also comes with its own set of challenges. Security is a major concern when it comes to wireless networks, as they are more vulnerable to hacking and unauthorized access than wired connections. Without proper security measures in place, sensitive information such as passwords, credit card details, and personal data can be easily intercepted by cybercriminals. It's essential for users to take steps to secure their wireless networks, such as using strong passwords, enabling encryption, and keeping their software up to date. Another issue with wireless networks is the potential for interference and signal congestion. In densely populated areas or buildings with multiple wireless devices, the signals from different networks can overlap and cause interference, leading to slower speeds and dropped connections. This can be especially frustrating forusers who rely on a stable internet connection for work or entertainment. Network administrators must carefully manage their wireless networks to minimize interference and optimize performance for all users. Despite these challenges,the future of wireless networks looks promising. The rollout of 5G technology promises to bring even faster speeds, lower latency, and greater capacity to wireless networks, opening up new possibilities for innovation and connectivity. From smart homes and cities to autonomous vehicles and IoT devices, 5G networkshave the potential to revolutionize the way we live and work in the years to come. As technology continues to advance, the possibilities for wireless networks are endless. In conclusion, wireless networks have become an integral part of our modern society, providing us with the freedom and flexibility to stay connected and productive wherever we go. While they come with their own set of challenges, such as security risks and signal interference, the benefits of wireless networks far outweigh the drawbacks. As technology continues to evolve, the future of wireless networks looks bright, with 5G technology paving the way for even faster speeds and greater connectivity. By taking steps to secure our networks and optimize performance, we can continue to enjoy the convenience and innovation that wireless networks bring to our lives.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our lives. They have revolutionized the way we communicate, work, and access information. However, like any other technology, wireless networks come with their own set of challenges and limitations. In this essay, we will explore the various perspectives surrounding wireless networks, including their benefits, drawbacks, and future prospects.Firstly, let us examine the advantages of wireless networks. One of the most significant benefits of wireless networks is their convenience. With a wireless network, you can access the internet from anywhere within the network's range, without the need for cables or wires. This makes it easier to work or study from any part of your home or office. Additionally, wireless networks are more flexible than wired networks. You can add or remove devices from the network without having to reconfigure the entire system. This makes it easier to scale up or down your network as per your requirements.Another advantage of wireless networks is their cost-effectiveness. Setting up a wired network can be expensive, especially if you need to install cables and wires throughout your home or office. In contrast, wireless networks arerelatively inexpensive to set up and maintain. All you need is a wireless router, which can be purchased at a reasonable price, and you can connect multiple devices to the network without any additional costs.However, wireless networks also have their drawbacks. One of the most significant concerns with wireless networks is their security. Wireless networks are vulnerable to hacking, and unauthorized users can easily access your networkif it is not secured properly. This can result in data breaches and loss of confidential information. Additionally, wireless networks are susceptible to interference from other electronic devices, which can cause disruptions in the network's performance.Another disadvantage of wireless networks is their limited range. The range of a wireless network depends on various factors such as the type of router, the number of walls and obstacles between the router and the device, and the frequency band used. In general, a wireless network's range is limited to a few hundred feet, which can be a problem for larger homes or offices. Additionally, the network'sperformance can be affected by the number of devices connected to it. If too many devices are connected to the network, it can slow down the network's speed and performance.Despite these limitations, wireless networks have a bright future ahead. With the advent of 5G technology, wireless networks are set to become faster and more reliable than ever before. 5G technology promises to deliver faster download and upload speeds, lower latency, and higher bandwidth. This will enable new use cases such as virtual reality, augmented reality, and autonomous vehicles, which require high-speed and low-latency networks.Moreover, wireless networks are also becoming more secure. With the introduction of WPA3 encryption, wireless networks are now more resistant to hacking and other security threats. WPA3 encryption uses stronger and more complex passwords, making it harder for hackers to crack them. Additionally, WPA3 encryption provides enhanced protection against brute-force attacks and other common hacking techniques.In conclusion, wireless networks have transformed the way we communicate and access information. They offer numerous benefits, including convenience, flexibility, and cost-effectiveness. However, they also have their limitations, such as security concerns and limited range. Despite these challenges, wireless networks have a promising future ahead, with the introduction of 5G technology and stronger encryption methods. As we continue to rely on wireless networks for our daily activities, it is essential to remain vigilant and take necessary precautions to ensure their security and reliability.。

1- 无线网络概念简介

• the standard unit of measure is the Hertz (Hz)（赫兹） • 例如：FM radio is generally a higher quality, using about 175 kHz of bandwidth. Compare that to a television signal, which sends both voice and video over the air. The TV signal you receive uses almost 4500 kHz of bandwidth.
Complementary Code Keying-CCK（补码）
• When you are using DSSS, the Barker code works well for lower data rates such as 1-Mbps, 2-Mbps,5.5-Mbps,and11Mbps. • DSSS uses a different method（CCK） for higher data rates, which allows The 802.11 standard to achieve rates of 5.5 and 11 Mbps.
Bandwidth（带宽）
• In wireless networking, the word bandwidth can mean two different things. In one sense of the word, it can refer to data rates（数据率）. In another sense of the word, it can refer to the width of an RF channel（RF频道宽度）. • This book uses the term bandwidth to refer to the width of the RF channel and not to data rates.

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, providingus with the convenience and flexibility to stay connected wherever we go. From our homes to coffee shops, airports, and even public transportation, wireless networks enable us to access the internet and communicate with others seamlessly. However, with this convenience comes a set of challenges and considerations that need to be addressed to ensure a secure and reliable connection. One of the key benefits of wireless networks is their ability to provide us with mobility and flexibility. Gone are the days when we had to be tethered to a desk or a specific location to access the internet. With wireless networks, we can work, communicate, and stay connected on the go, whether we're at a cafe, in a park, or traveling on a train. This freedom and flexibility have revolutionized the way we live and work,allowing us to be more productive and efficient in our daily lives. Despite the many advantages of wireless networks, there are also some challenges that comewith using them. One of the most significant concerns is security. Becausewireless networks transmit data over the airwaves, they are more vulnerable to security breaches and hacking compared to wired networks. This means thatsensitive information such as personal data, passwords, and financial details can be at risk if proper security measures are not in place. It's essential for users to take precautions such as using strong passwords, enabling encryption, and keeping their devices updated to protect their data and privacy. Anotherchallenge of wireless networks is the issue of reliability and performance. Wireless signals can be affected by various factors such as interference fromother devices, physical obstacles like walls and furniture, and distance from the router. This can lead to slow connection speeds, dropped signals, and inconsistent performance, especially in crowded or high-traffic areas. To mitigate these issues, users can optimize their network settings, position their routers strategically, and invest in quality equipment to ensure a stable and reliable connection. In addition to security and reliability, the proliferation of wireless networks also raises concerns about health and environmental impacts. Some studies suggest that prolonged exposure to electromagnetic radiation from wireless devices and networks may have adverse effects on human health, such as increased risk of cancer,neurological disorders, and reproductive issues. While the scientific community is still divided on the long-term effects of wireless radiation, it's essential for users to be aware of potential risks and take steps to minimize their exposure, such as using devices in moderation and maintaining a safe distance from routers and other wireless equipment. Despite these challenges and concerns, the benefits of wireless networks far outweigh the drawbacks. They have revolutionized the way we communicate, work, and access information, making our lives more convenient and connected than ever before. As technology continues to advance, wireless networks will play an even more significant role in shaping our future, enabling us to stay connected and productive in an increasingly digital world. It's crucial for users to be informed, proactive, and vigilant when using wireless networks to ensure a safe, secure, and reliable connection for themselves and future generations.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, providingus with the convenience and flexibility to stay connected on the go. However, with this convenience comes a set of challenges and concerns that need to be addressed. In this discussion, we will explore the various perspectives surrounding wireless networks, including their benefits, drawbacks, security issues, and future developments. From a consumer perspective, wireless networks offer unparalleled convenience and mobility. Whether it's accessing the internet on our smartphones, connecting to a Wi-Fi network at a coffee shop, or using Bluetooth to pair devices, wireless technology has revolutionized the way we communicate and access information. This level of connectivity has transformed the way we work, socialize, and entertain ourselves, making it an indispensable part of modern life. On the other hand, there are several drawbacks associated with wireless networks that cannot be overlooked. One of the primary concerns is the issue of security. Wireless networks are susceptible to unauthorized access, data interception, and cyber attacks. This poses a significant risk to personal privacy, sensitive information, and financial data. Moreover, the proliferation of wireless devices has led to concerns about electromagnetic radiation and its potential impact on human health. These concerns have sparked debates and calls for more research into the long-term effects of wireless technology. From a business standpoint,wireless networks have revolutionized the way companies operate and communicate. They have enabled greater flexibility in the workplace, allowing employees to work remotely and collaborate seamlessly. This has led to increased productivity and efficiency, as well as cost savings for businesses. Additionally, wireless technology has paved the way for the Internet of Things (IoT), enabling smart devices and sensors to communicate and exchange data, leading to advancements in automation, logistics, and resource management. However, the reliance on wireless networks also introduces new challenges for businesses, particularly in terms of network security and reliability. The risk of cyber attacks, data breaches, and network outages poses a significant threat to business operations. As a result, companies are investing heavily in cybersecurity measures and redundant network infrastructure to mitigate these risks. Furthermore, the rapid evolution ofwireless technology requires businesses to continually upgrade their systems to remain competitive, leading to additional costs and complexities. Looking ahead, the future of wireless networks holds great promise and potential. The ongoing development of 5G technology promises to deliver faster speeds, lower latency, and greater connectivity, opening up new possibilities for industries such as healthcare, transportation, and entertainment. Moreover, advancements in wireless networking standards, such as Wi-Fi 6, aim to improve network efficiency and performance, providing a better user experience for consumers and businesses alike. In conclusion, wireless networks have undoubtedly transformed the way we live and work, offering unprecedented convenience and connectivity. However, they alsobring about a set of challenges, including security risks, health concerns, and operational complexities. As we continue to embrace wireless technology, it is essential to address these issues through ongoing research, innovation, and collaboration across various sectors. By doing so, we can harness the fullpotential of wireless networks while mitigating their drawbacks, ensuring a safer, more reliable, and sustainable wireless future.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, providing us with the convenience of staying connected without being tied down by physical cables. However, like any technology, wireless networks also come with their own set of challenges and problems. From connectivity issues to security concerns, there are several aspects that need to be considered when it comes to wireless networks. One of the most common problems with wireless networks is connectivity issues. This can be due to a variety of reasons such as signal interference, distance from the router, or even hardware issues. It can be incrediblyfrustrating to experience frequent disconnections or slow internet speeds, especially when you rely on a stable connection for work or entertainment. These connectivity issues can impact productivity and cause a great deal of stress for individuals who depend on their wireless network for various tasks. Another major concern with wireless networks is security. With the increasing prevalence of cyber attacks and data breaches, it's crucial to ensure that your wireless network is secure from unauthorized access. Weak passwords, outdated encryption protocols, and unsecured devices can all pose significant security risks, leaving your personal information vulnerable to exploitation. The fear of being hacked or having sensitive data compromised can create a sense of unease and distrust in wireless networks, making it difficult for individuals to fully embrace the convenience they offer. In addition to connectivity and security issues, the reliability of wireless networks is also a common problem. While wireless technology has advanced significantly over the years, there are still instances where the connection can be unreliable, leading to dropped calls, lagging video streams, or interrupted downloads. This lack of reliability can be frustrating and inconvenient, especially in professional settings where a stable connection is essential for communication and collaboration. Furthermore, the proliferation of wireless devices and the increasing demand for bandwidth have also contributed to the problem of network congestion. As more and more devices connect to the same wireless network, the available bandwidth is divided among them, leading to slower speeds and degraded performance. This can be particularly problematic in crowded areas such as office buildings, apartment complexes, or public spaces, wheremultiple users are vying for the same limited resources. Another issue that often plagues wireless networks is the lack of compatibility and interoperability between different devices and network standards. With a wide array of devices such as smartphones, tablets, laptops, smart TVs, and IoT devices, ensuring seamless connectivity and communication can be a daunting task. The need for compatibility between different devices and network protocols can be a source of frustration for users who find themselves unable to connect certain devices to their wireless network or experience difficulties in setting up a seamless network environment. In conclusion, wireless networks have undoubtedly revolutionized the way we stay connected and access information. However, they also come with their fair share of problems and challenges. From connectivity issues and security concerns to reliability and compatibility issues, there are several aspects that need to be addressed to ensure a seamless and secure wireless network experience. While advancements in technology continue to improve the performance and security of wireless networks, it's important for users to remain vigilant and proactive in addressing these issues to fully enjoy the benefits of wireless connectivity.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, providingus with the convenience and flexibility to stay connected on the go. However, as with any technology, they come with their own set of challenges and issues. Inthis discussion, we will explore the various problems associated with wireless networks, along with potential solutions and perspectives from different stakeholders. One of the most common problems with wireless networks is the issue of signal interference. This can be caused by a variety of factors, including physical obstructions, other electronic devices, or even environmental conditions. As a result, users may experience slow or unreliable connections, dropped signals, and overall poor network performance. This can be particularly frustrating for individuals who rely on wireless connectivity for work or communication, leadingto decreased productivity and increased stress. Another significant problem isthe issue of security vulnerabilities in wireless networks. With the increasing prevalence of cyber threats and attacks, ensuring the safety and privacy of data transmitted over wireless networks has become a major concern. Without proper encryption and security measures in place, sensitive information can beintercepted and exploited by malicious actors, leading to potential financial loss, identity theft, and other serious consequences for individuals and businesses alike. Furthermore, the rapid proliferation of wireless devices and the growing demand for bandwidth have led to congestion and overcrowding in wireless networks. This congestion can result in slow speeds, network congestion, and overall poor performance, especially in densely populated areas or high-traffic environments.As a result, users may experience frustration and dissatisfaction with their wireless experience, leading to negative perceptions of the technology as a whole. From the perspective of businesses and organizations, the challenges associated with wireless networks can have significant implications for productivity, efficiency, and customer satisfaction. Poor wireless connectivity can hinder the ability of employees to collaborate and communicate effectively, leading to delays and inefficiencies in day-to-day operations. Additionally, businesses that rely on wireless networks to deliver services to customers may face reputational damageand loss of business if network issues persist. In addressing these problems, itis important for stakeholders to consider a multi-faceted approach that encompasses technological, regulatory, and behavioral solutions. On a technological level, advancements in wireless technology, such as the development of 5G networks, can help alleviate issues related to signal interference and congestion, providing faster and more reliable connectivity for users. Additionally, the implementation of robust encryption and security protocols can help mitigate the risks associated with cyber threats and attacks, safeguarding the integrity of wireless communications. From a regulatory standpoint, policymakers and industry leaders must work together to establish and enforce standards for wireless network security and performance. This can help ensure that wireless networks adhere to best practices and guidelines, reducing the likelihood of security breaches and network disruptions. Furthermore, initiatives to expand wireless infrastructure and improve network coverage can help alleviate congestion and improve overall network reliability. On a behavioral level, education and awareness campaigns can play a crucial role in promoting responsible and secure use of wireless networks. By educating users about the importance of strong passwords, secure network configurations, and safe browsing habits, individuals can take proactive steps to protect themselves and their data while using wireless networks. Additionally, promoting responsible network usage and discouraging bandwidth-heavy activities in high-traffic environments can help alleviate congestion and improve the overall quality of the wireless experience for all users. In conclusion, wireless networks have undoubtedly revolutionized the way we connect and communicate, but they are not without their challenges. Signal interference, security vulnerabilities, and network congestion are just a few of the problems that users and organizations may encounter. By taking a comprehensive approach that addresses technological, regulatory, and behavioral aspects, stakeholders can work towards ensuring a more secure, reliable, and efficient wireless experience for all.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, revolutionizing the way we connect and communicate with each other. From Wi-Fi hotspots in cafes and airports to the 5G network that promises lightning-fast internet speeds, wireless networks have undoubtedly transformed the way weinteract with the digital world. However, with this convenience and connectivity comes a host of challenges and concerns that need to be addressed. In this response, I will explore the various perspectives on wireless networks, including their benefits, drawbacks, security issues, and future developments. One of the most significant advantages of wireless networks is the freedom and flexibility they offer. Unlike traditional wired connections, wireless networks allow users to connect to the internet and other devices without being tethered to a specific location. This freedom is especially valuable in a world where mobility is increasingly important, enabling people to work, communicate, and access information on the go. Additionally, wireless networks have facilitated the proliferation of smart devices and the Internet of Things (IoT), allowing for seamless connectivity between various gadgets and appliances. However, this convenience comes with its fair share of drawbacks and challenges. One of the most pressing concerns with wireless networks is security. With the proliferation of wireless connections, the risk of unauthorized access and data breaches has increased significantly. Hackers and cybercriminals are constantly looking for vulnerabilities in wireless networks to exploit, posing a significant threat to the privacy and security of users. Moreover, the potential health risks associated with prolonged exposure to wireless radiation have also sparked debates and concerns among the public and health experts. In addition to security and health concerns, the reliability and speed of wireless networks are also areas of contention. While advancements in technology have significantly improved the speed and stability of wireless connections, they still fall short of the reliability and consistency offered by wired networks. This is particularly evident in crowded urban areas or densely populated spaces, where the sheer volume of wireless devices can lead to congestion and slower connection speeds. Furthermore, the cost of setting up and maintaining wireless infrastructure can be prohibitive,especially for smaller businesses and communities with limited resources. Looking ahead, the future of wireless networks holds both promise and uncertainty. The ongoing development of 5G technology has the potential to revolutionize connectivity, offering unprecedented speed and bandwidth for users. This could pave the way for innovative applications and services, such as augmented reality, autonomous vehicles, and remote surgery, that rely on ultra-fast and reliable wireless connections. However, the rollout of 5G networks has also sparked concerns about its potential impact on the environment and public health, with some experts warning about the potential hazards of increased electromagnetic radiation. In conclusion, wireless networks have undoubtedly transformed the way we connect and communicate, offering unprecedented freedom and flexibility. However, they also present a host of challenges and concerns, including security risks, health implications, and reliability issues. As we look to the future, it is crucial to address these issues and strike a balance between the benefits and drawbacks of wireless networks. With careful planning, investment in infrastructure, and a focus on security and sustainability, wireless networks can continue to serve as a cornerstone of our digital society.。

Wireless Networks

Wireless NetworksWireless networks have become an integral part of our daily lives, providingus with the convenience of staying connected to the internet and each otherwithout the constraints of physical cables. From our homes to public spaces, and even in remote areas, wireless networks have revolutionized the way we communicate, work, and access information. However, with this convenience comes a myriad of challenges and considerations that need to be addressed. In this discussion, wewill explore the various perspectives surrounding wireless networks, includingtheir benefits, limitations, security concerns, and future advancements. One of the most significant advantages of wireless networks is their ability to provide seamless connectivity. Whether it's through Wi-Fi, Bluetooth, or cellular networks, wireless technology allows us to access the internet and communicate with others from virtually anywhere. This level of accessibility has transformed the way we work, enabling remote collaboration, online learning, and real-time communication. Additionally, the proliferation of smart devices, such as smartphones, tablets,and IoT gadgets, has been made possible by wireless connectivity, further enhancing our daily lives. Despite these benefits, wireless networks also pose several limitations and challenges. One of the most pressing concerns is the issue of network congestion and bandwidth limitations. As the number of connecteddevices continues to grow, the available bandwidth is increasingly strained, leading to slower connection speeds and potential service disruptions. Moreover, wireless networks are susceptible to interference from various sources, including electronic devices, physical obstacles, and other wireless signals. These factors can degrade the quality of the connection and impact the overall user experience. In addition to technical limitations, security is a paramount concern when it comes to wireless networks. The inherent nature of wireless communication makes it vulnerable to unauthorized access, data interception, and malicious attacks. Without robust security measures in place, wireless networks are at risk of being compromised, potentially leading to data breaches, identity theft, and other cyber threats. As the reliance on wireless technology continues to grow, the need for stringent security protocols and encryption methods becomes increasingly crucialto safeguard sensitive information and ensure the privacy of users. Looking ahead,the future of wireless networks holds promising advancements that could address some of the current limitations and concerns. The ongoing development of 5G technology, for instance, aims to deliver faster connection speeds, lower latency, and increased capacity, potentially alleviating the bandwidth constraints experienced in current wireless networks. Furthermore, innovations in network infrastructure, such as mesh networking and satellite internet, could extend the reach of wireless connectivity to underserved areas and enhance the overall reliability of wireless networks. In conclusion, wireless networks have undoubtedly transformed the way we connect and interact with the digital world. While they offer unparalleled convenience and accessibility, there are also significant challenges that need to be addressed, including network congestion, security vulnerabilities, and technical limitations. As technology continues to evolve, it is essential to prioritize the development of secure, reliable, and high-speed wireless networks that can meet the growing demands of an increasingly connected society. By acknowledging these perspectives and actively working towards solutions, we can harness the full potential of wireless networks while mitigating their associated risks.。

Wireless Networks

Wireless NetworksWireless networks have become an indispensable part of modern society, enabling seamless connectivity and communication across various devices and platforms. The evolution of wireless technology has revolutionized the way we interact with the digital world, providing convenience and flexibility in ourdaily lives. From Wi-Fi networks in homes and offices to cellular networks that power our smartphones, wireless technology has transformed the way we work, communicate, and access information. The historical background of wireless networks can be traced back to the early 20th century when Guglielmo Marconi successfully transmitted the first wireless signal across the Atlantic Ocean. This groundbreaking achievement laid the foundation for the development of wireless communication systems, leading to the creation of radio and television broadcasting networks. Over the decades, advancements in technology have led to the proliferation of wireless networks, with the introduction of standards likeWi-Fi and Bluetooth further expanding the capabilities of wireless communication. One of the key perspectives surrounding wireless networks is the debate over the security and privacy implications of using wireless technology. While wireless networks offer unparalleled convenience and accessibility, they also present vulnerabilities that can be exploited by malicious actors. Cybersecurity threats such as data breaches, hacking, and malware attacks pose significant risks to users of wireless networks, highlighting the importance of implementing robust security measures to protect sensitive information. Case studies provide valuable insights into the real-world applications of wireless networks and their impact on various industries. For example, the healthcare sector has leveraged wireless technology to enhance patient care through remote monitoring devices and telemedicine services. In education, wireless networks have transformed the learning environment, enabling students and teachers to access online resources and collaborate virtually. These examples demonstrate the diverse ways in which wireless networks have revolutionized different sectors and improved efficiency and productivity. Despite the numerous benefits of wireless networks, there are also drawbacks that need to be considered. One of the main challenges is the issue of network congestion, especially in densely populated areas where multipledevices are competing for limited bandwidth. Slow connection speeds and dropped signals can frustrate users and hinder the performance of wireless networks. Additionally, concerns about electromagnetic radiation and potential health risks associated with prolonged exposure to wireless signals have raised questions about the long-term impact of wireless technology on human health. In conclusion, wireless networks have become an integral part of our interconnected world, offering unparalleled convenience and connectivity. However, it is essential to address the security and privacy concerns associated with wireless technology and implement effective measures to safeguard sensitive data. By understanding the benefits and drawbacks of wireless networks, we can make informed decisions about how to leverage this technology responsibly. Looking ahead, the continued advancement of wireless technology holds exciting possibilities for innovation and collaboration, shaping the future of communication and connectivity.。

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Brief introduction of wireless network lock system Brief introduction of wireless network lock system Perfect functions,easy to install:Wireless network lock system has many advantages.It Helps administrator to manage the hotel or office building much easier.And it has same functions of other network lock system(TCP/IP,RS485):Download data info by central control computer.Remote control all locks or checking all lock status twenty-four hours.Central control computer will receive the opening data immediately when customers open the door.By wireless lock system.High technology:By latest international technology of wireless network system,we connect all locks into one network.There’s data exchange between locks and wireless base station,between central control computer and wireless base station.So,the central control computer and locks are connected.Easy to integration:For easier system integration,we supply COM+ interface and testing EMO program.By this system integrator can put the network lock system into their own system.interface,system integrator can put the network lock system into their own systemsystem integrator can put the network lock system into their own systemPrinciple of wireless lock system:There are two parts in the wireless lock system:wireless communication network and limited communication network.The locks and wireless base station(LA171) are connected by wireless signal.The wireless base station and central control computer are connected by wired Ethernet LANs.Every floor has one wireless network,there are one wireless base station,some wireless network bridge( LA172),some wireless network locks.Wireless network is created by wireless base station.Wireless network bridge( LA172) and locks connect to the nearest network.Advantages of wireless network lock systemAdvantages of wireless network lock system1.Wireless network:By2.4GHz ISM.Wireless base station and locks are connected by wireless signal.There’s one wireless base station on every floor.The wireless base station and central control computer is connected by TCP/IP Protocol2.Easy power supply:4 pcs AA alkaline dry battery.Without any wire.Easy to insall and use.3.Reliable communication: Uses the carrier monitor multiple access/conflicts preventing (CSMA/CA) technology, prevents the disturbance when many door locks transmit the data simultaneously, or other radio equipment rep's disturbance.4.Safe communication: Support security suite of wireless transmission of the international standards,wireless transmission of data by AES - 128 advanced encryption algorithm, Provide security for wireless communicationscentral control computer when the network is connected.6.Real time monitoring:The central control computer can check the status of the lock,whether it’s open or closed.And it can also check the status of the battery.7.Correct clock:Build-in clock inside the lock.The central control computer can adjust the time anytime. 8.Remote control:In case of emergency,the computer can open or close all the door in the same time. 9.One card for many doors&Many cards for one door10.One card for many functions:Contactless Mifare-1 card,ISO 14443 TYPE B CUP card optional. “One card solution” supported.Easy to manage.network configuration for wireless network lock system network configuration for wireless network lock system1.1.Wireless network lock system topological graph Wireless network lock system topological graph Wireless network lock system topological graphNecessary Equipment of wireless network lock system Necessary Equipment of wireless network lock systemName Name Item No.Item No.Quantity and ot Quantity and other her her Computer / 1 PC,Equipped by userNetwork switch/Equipped by user;Quantity of interfance will be according to quantity of wireless of wireless basstationRJ45 network cable/lockL5207-245 One pc every roomLock management systemV5.9 One pc Encoder LA118-M1 At least one pc Wireless base station LA171 At least one pc every floorWireless network bridgeLA172 According to the floor quantity,several pcs every floorMifare-1 card S50/S70 seriousTriple quantity of lock quantity2 Layout of w Layout of wireless network lock system ireless network lock system ireless network lock system3.3.Wireless network lock system technology parameter Wireless network lock system technology parameter Wireless network lock system technology parameterParameter names Parameter names Data DataPower supply 4 PCS 5# 1.5V alkaline dry batteryOperating current <300mA Standby average current<82uACard typeISO14443 TYPE(Mifare-1 S50，S70)，TYPE B （optional ）card read basis frequence 13.56MHzcard checking method Electromagnetic inductionReading distance 5CM maximalcapacity of card 150 pcsCapacity of opening door 250pcs（new data will cover old data automatically）Low Voltage Alarm basic voltage 4.8Vcommuncation frequence 2.4GCommunication distance(radius) 30m maximal on clearing place(8cm antenna），50M（12cm antenna）（the communication distance can be added by adding wireless networkbridge）communication power Receive:27mA，send:25mAworking temperature 0~60℃Working Humidity 15~85％RHStorage Temperature -20~85℃storage humidity range 10~85％RH4 Work Pattern of wireless network lock system1.intercommunication:computer send order or data by wireless base station(LA171).The lock can send data to the computer.2.Data manage of lock by computer:Computer send the order of downloading card&deleting card&update time by wireless base station(LA171)3.Remote control lock by computer:Computer can bring some lock into opening or closed state.The lock will return to original state after swiping the card.4.Data exchange between computer and lock:Computer can check the current state of the lock and it’s battery,check it’s open or closed,check the card information this lock.5.Data update:The lock will send opening record(card no. and opening time) when it’s opend.6.Correct lock time by computer:Computer can check the time of lock and correct the real time of the lock,it promises the correctness of the opening record.7.In case of emergency:Connected to fire alarm system and antitheft alarm system.In case of fire,computer can open the passage lock of some area.If there’s a stealing alarm,computer can close the passage locks of some area.Product name Product nameItem No.Item No.FOB (USD)FOB (USD) Remark Remarkwireless network lock L5207-245 USD $99 One pic each room EncoderLA118-M1 USD $80 At least one pc Wireless base station LA171 USD $99 one pc each 15 meters Wireless network bridge LA172 USD $99 One pc each 15 meters System management software V5.9 Free Network switch USD $299 1 pcEnergy saver USD $17 One pc each room Mifare card S50USD $1Triple of lock quantity。