Monday, 15 July 2013

what is Wi-Fi?

We all are very familiar with Wi-Fi. I hope this article will help you to improve your knowledge.

1. Wi-Fi, also spelled Wifi or WiFi
2.  It is based on the Institute of Electrical and Electronics Engineers' (IEEE) 802.11 standards.
3. A device that can use Wi-Fi (such as a personal computer, video-game console,smartphone, digital camera, tablet or digital audio player) can connect to a network resource such as the Internet via a wireless network access point
4. It  has a range of about 20 meters (65 feet) indoors and a greater range outdoors.
5. Wi-Fi can be less secure than wired connections.So that it uses encryption methods WEP,WPA, WPA2.
6. A Wi-Fi-enabled device can connect to the Internet when within range of a wireless networkwhich is configured to permit this. The coverage of one or more (interconnected) access points — called hotspots — can extend from an area as small as a few rooms to as large as many square miles


Wi-Fi Access Point.



Wi-Fi Adapter.


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