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Network Security First-Step, Second Edition by Donald Stoddard, Thomas M. Thomas

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Wireless Networking

The term wireless networking refers to radio technology that enables two or more computers to communicate using standard network protocols such as IP, but without cables. Wireless networking hardware requires the use of underlying technology that deals with radio frequencies and data transmission. The most widely used standard is 802.11, which was produced by the Institute of Electrical and Electronic Engineers (IEEE). This is a standard defining all aspects of radio frequency wireless networking.

802.11b specifies that radios talk on the unlicensed 2.4 GHz band at 11-Mbps transmission rate on one of 15 specific channels. (In the United States, use is limited to only the first 11 of those 15 channels because of government ...

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