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Channel

IEEE 802.11b (WiFi) uses DSSS, using 22MHz of bandwidth (passband) to transmit data with speeds of up to 11Mb/sec. A WiFi system can use any of 13 22MHz-wide sub-channels across the allocated 83.5MHz of the 2.4GHz frequency band, however most equipment commonly available in Australia is designed for the 11 channel American market.

22MHz wide Direct Sequence Spread Spectrum, 5MHz channel spacing.
ChannelMHz
12412
22417
32422
42427
52432
62437
72442
82447
92452
102457
112462
122467
132472

As such, there are only three non-overlapping channels: 1, 7 & 11.

(Source: Queensland Digital Group)


Version 4 (current) modified Tue, 03 Jul 2007 23:11:56 +1000 by tyson
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