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802.11a

IEEE 802.11a, is a wireless ethernet standardisation effort that supports high bit rates (54Mbits), but uses the 5 GHz ISM band, and so is not backward compatible with 802.11b gear.

Several manufacturers have released 802.11a equipment, including Proxim and Intel.

Some of the technology for 802.11a was developed here in Australia by the External linkCSIRO.

The 802.11a equipment currently available operates on frequencies which are illegal for outdoors use in Australia, and in any case the standard has technical characteristics which would seem to make it not very useful for long-distance networks.

802.11g provides the same speed (since it also uses OFDM), but works in the 2.4GHz ISM band.


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Version 2 (current) modified Tue, 03 Jul 2007 23:11:50 +1000 by gummAY
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