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What is Wi-Fi?
Short for wireless fidelity Wi-Fi is a local area wireless technology established by Wi-Fi Alliance .It allows an electronic device to exchange data or connect to the internet Wi-Fi is a trademark name.
Wi-Fi allows communications directly from one computer to another without an access point intermediary. This is called ad hoc Wi-Fi transmission. Some devices can also share their Internet connection using ad hoc, becoming hotspots or "virtual routers".
often set up in homes and other buildings, provide Internet access and internetworking to all devices connected to them wirelessly .
Direct computer-to-computer Communications:
The Wi-Fi Alliance defines Wi-Fi as any wireless local area network (WLAN) products that are based on the Institute of Electrical and Electronics Engineers(IEEE) 802.11 standards .However, since most modern WLANs are based on these standards, the term "Wi-Fi" is used in general English as a synonym for "WLAN".
Limitations
Security – Greater exposure to risks
Speed – Slower than cable Range – Affected by various medium
Internet access:
Uses
A Wi-Fi-enabled device can connect to the Internet when within range of a wireless network which is configured to permit this. Routers
How popular Wi-Fi is in our daily life?
Wi-Fi is an important part in our life.
Thank you
wk.baidu.com
Why Wi-Fi?
Mobility Freedom – You can work from any location that you can get a signal Flexibility – Quick and easy to setup in Lower cost- Reduced cabling required Reliability- Wi-Fi Protected Access encryption (WPA2) considered secure Use unlicensed part of the radio spectrum
What is Wi-Fi?
Short for wireless fidelity Wi-Fi is a local area wireless technology established by Wi-Fi Alliance .It allows an electronic device to exchange data or connect to the internet Wi-Fi is a trademark name.
Wi-Fi allows communications directly from one computer to another without an access point intermediary. This is called ad hoc Wi-Fi transmission. Some devices can also share their Internet connection using ad hoc, becoming hotspots or "virtual routers".
often set up in homes and other buildings, provide Internet access and internetworking to all devices connected to them wirelessly .
Direct computer-to-computer Communications:
The Wi-Fi Alliance defines Wi-Fi as any wireless local area network (WLAN) products that are based on the Institute of Electrical and Electronics Engineers(IEEE) 802.11 standards .However, since most modern WLANs are based on these standards, the term "Wi-Fi" is used in general English as a synonym for "WLAN".
Limitations
Security – Greater exposure to risks
Speed – Slower than cable Range – Affected by various medium
Internet access:
Uses
A Wi-Fi-enabled device can connect to the Internet when within range of a wireless network which is configured to permit this. Routers
How popular Wi-Fi is in our daily life?
Wi-Fi is an important part in our life.
Thank you
wk.baidu.com
Why Wi-Fi?
Mobility Freedom – You can work from any location that you can get a signal Flexibility – Quick and easy to setup in Lower cost- Reduced cabling required Reliability- Wi-Fi Protected Access encryption (WPA2) considered secure Use unlicensed part of the radio spectrum