Diff: FrequencyHoppingSpreadSpectrum

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+[FHSS] is a description for a mechanism used for radio communications in which the allocated frequency range is divided into a large number of channels, and transmitters send short bursts of traffic on a single channel before hopping to the next in a predictable sequence. 

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+As used for wireless ethernet, [FHSS] offers better noise immunity than [DSSS], but is limited (by regulation) to lower bandwidth. 

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+Proxim was the manufacturer of popular [FHSS] gear, and their cards and [AccessPoint]s were licensed by many other vendors. 

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+With the release of [802.11b], [FHSS] has become less popular due to its slower bandwidth. As a consequence however, it is often available secondhand very cheaply.