Re: [Madwifi-devel] Same AP in multiple Channel
Status: Beta
Brought to you by:
otaku
From: Achim F. <ach...@st...> - 2005-10-30 10:42:34
|
Indian Mogul wrote: > > Is it a bug in the code or what? No this is just a wlan design flaw... There is only room for 3-4 channels in the 2,4 GHz spectrum but IEEE 802.11b/g is talking about 11-13/14 channels. So adjacent wlan channels overlap and you can read the packets send on these nearby channels. ...or bad hf-technology ;) If you're testing cheap aps with very bad radio cards and you're very close (<1m) to that ap (or you're using high gain antennas) you can even receive an becaon for channel 1 on channel 11. If you really don't like this perhaps "WLAN bandpass/channel filters" are a solution... http://www.wimo.de/cgi-bin/verteiler.pl?url=wlan-filter_e.htm achim |