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Posted by:dragorn
Subject:channel bleeding
Date:19:45:54 16/12/2012

> just wanted to say... with all the trouble i'm having with my awesome alfa AWUS036NHA hacker friendly wifi adapter, kismet is by far the best tool for capturing packets :)
> i'm having a problem with good packets that pass validatefcs from other channels 1 above or beneath.... guess the adapater is being too sensitive.
> don't packets say what channel they belong on in 802.11 ? not sure if they do.

Only beacons.

> that'd be cool if there was a choice to take that from the packet and ensure you're on the channel tool, or reject it.

There is not.

802.11 channels are 22mhz wide on 2.4ghz, and only 5ghz apart. There is significant overlap.

This is why everyone says only use channels 1, 6, 11 in dense environments. Those are the only 3 channels which do not overlap.

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