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FrequencyHoppingSpreadSpectrum

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.

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

Proxim was the manufacturer of popular FHSS gear, and their cards and AccessPoints were licensed by many other vendors.

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.


Version 1 (current) modified Tue, 03 Jul 2007 23:12:00 +1000 by tyson
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