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Message-ID: <40A2205C.8090102@arhont.com> From: mlists at arhont.com (Konstantin Gavrilenko) Subject: CHANNEL FREQ'S Tyler, Grayling wrote: > Geqqam69200, > > I've seen a few people refer to the lower 6 channels of wireless as > operating in the Ham freq. spectrum. I am a bit confused where this is > coming from as 802.11b operates in the ISM (Industrial Scientific and > Medical) band. This band (~2.4 GHz) is used by 802.11b to transmit > using spread spectrum signals so technically speaking all channels are > sent in the same frequency band. I have always been under the > impression that the channels simply referred to the code necessary to > retrieve the spread spectrum signal sent. > > If I'm wrong in my assumptions I'd like to become more educated. To that > end I'd appreciate you (or anyone) posing the reference stipulating that > the lower channels are in the Ham frequency spectrum while the others > are not. > > Thanks Channel ID FCC ETSI France Japan 1 2412 2412 - 2412 2 2417 2417 - 2417 3 2422 2422 - 2422 4 2427 2427 - 2427 5 2432 2432 - 2432 6 2437 2437 - 2437 7 2442 2442 - 2442 8 2447 2447 - 2447 9 2452 2452 - 2452 10 2457 2457 2457 2457 11 2462 2462 2462 2462 12 - 2467 2467 2467 13 - 2472 2472 2472 14 - - - 2484 -- Respectfully, Konstantin V. Gavrilenko Arhont Ltd - Information Security web: http://www.arhont.com http://www.wi-foo.com e-mail: k.gavrilenko@...ont.com tel: +44 (0) 870 44 31337 fax: +44 (0) 117 969 0141 PGP: Key ID - 0x4F3608F7 PGP: Server - keyserver.pgp.com
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