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www.en.wikipedia.org/wiki/Wireless_network

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Posted by crouse

The IEEE 802.11 Wireless Fidelity standard, affectionately known as Wi-Fi, specifies a growing set of standards for short-range, high-speed wireless systems that are good for everything from mobile device connectivity to home media center systems. The advantages are the elimination of cables and the freedom of movement; the disadvantages are in range, reliability, and security. Wireless is a good WAN choice for moderate distances (less than 10 miles, for example) with line-of-sight between them—for example, between buildings in a campus.

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Posted by waqqas1

http://www.en.wikipedia.org/wiki/Wireless_network

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Posted by jahangir1983

http://www.en.wikipedia.org/wiki/Wireless_network

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Posted by jahangir1983

http://www.en.wikipedia.org/wiki/Wireless_network

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Posted by jahangir1983

"Any type of computer network that is wireless, and is commonly associated with a telecommunications network."

For Details:
en.wikipedia.org/wiki/Wireless_network

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Posted by sagitraz

There has been a boom recently in the deployment of wireless networks for both LAN and WAN applications. The IEEE 802.11 Wireless Fidelity standard, affectionately known as Wi-Fi, specifies a growing set of standards for short-range, high-speed wireless systems that are good for everything from mobile device connectivity to home media center systems. The advantages are the elimination of cables and the freedom of movement; the disadvantages are in range, reliability, and security. Wireless is a good WAN choice for moderate distances (less than 10 miles, for example) with line-of-sight between them—for example, between buildings in a campus. Special antennas are used to make the wireless signal directional and increase the range, often to more than 20 kilometers.

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Posted by AbramianDaniel

See the below links

http://www.eccouncil.org/docs/Wireless.pdf
http://www.belsec.com/services/trainings/Wireless_Network_Architect.html

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Posted by Hash007