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Wireless Networking (802.11)

A form of networking that uses radio waves as the connection medium following the 802. 11 standard. Often called Wi-Fi.


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Family of IEEE standards for wireless LANs first introduced in 1997. The first standard to be implemented, 802. 11b, specifies from 1 to 11 Mbps in the unlicensed band using DSSS (direct sequence spread spectrum) technology. The Wireless Ethernet Compatibility Association (WECA) brands it as Wireless Fidelity (WiFi).
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An amendment to the 802. 11 standard that defines a new authentication and encryption technique that is similar to IPSec. To date, no real-world attack has compromised a properly configured WPA-2 wireless network.
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A transmitterreceiver location, operated by the wireless service provider, through which radio links are established between the wireless system and the wireless unit.
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Replaces the last mile from the central office to the customer. This process usually consists of a pair of digital radio transmitters placed on rooftops, one at the central office and one at the users’ site. These systems usually operate at the 38 GHz portion of the spectrum. Also known as wireless fiber (because of the high speeds of throughput) and as fixed wireless local loop.
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A wireless standard that defines citywide wireless access technologies.
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