From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Hacker <hacker@epn.ru>
Date: Mon, 1 Aug 2011 14:31:32 +0600
Subject: [ath9k-devel] Ubiquity SR71-E: direct probe timed out
In-Reply-To: <20110801051903.GA26690@infinet.ru>
References: <CAN0CFw0G-xzOTkNEc1RO_oPB4wMmX7ag3cwH=j=T9bvURR+Y0Q@mail.gmail.com>
	<CAD2nsn2+LGJgio-mz57wTM5JSUEvGaaaFNOq21729JvOPFwUbA@mail.gmail.com>
	<CAD2nsn0rHd8t6PiazbwmL7DYQfLFhoAnK04HSGJfq7LZ9F21_g@mail.gmail.com>
	<CAN0CFw3L3LWOjAxeRTj+oGH+dYsy-O+OQw3BjreF4GdwnJpLrg@mail.gmail.com>
	<4E34AA0A.4040305@ionic.de>
	<CAJ-Vmo=JQZa1VvYPeJ0CWp6eFu1q2kjpf-+8qNLcS4UaHX-N9A@mail.gmail.com>
	<CAN0CFw2RMjqdrZzbd4AvfgwTVvoNNL5k3pM8NvgoMqiy=DTwkw@mail.gmail.com>
	<CAJ-Vmo=Z3y_o8WTe6PDM8CzGpaSBz59kaGgwVmXDK6p2ox2oJA@mail.gmail.com>
	<20110801051903.GA26690@infinet.ru>
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Important exeption is the channel sidebands and baseband filters fall-off. You
sholdn't use adjacnt channels for different networks. At least 40MHz gap
should be left between H20 channels, and as much as 80MHz between HT40+ and
HT40- channels.

On Mon, Aug 01, 2011 at 11:19:03AM +0600, Alex Hacker wrote:
> Really boys, it's unbelievable story! We works with Atheros based cards for
> years, our RF engenners have spectrum analyzers connected to these cards
> continuously. I'd just ask him - nobody never see any out of band interference
> from these cards except the pci-e carrier at 2.5 and 5.0 GHz. So I'm shure that
> the issue lies somewhere else, not in RF plane.
> About antennas. Of coarse any object in the anntenna near field causes a
> distortion of gain/directivity and SWR so that the system performance can
> degrade. Anyway passive antenna system can not be source of out of band
> interference.
> 
> With best regrads,
> Alex.
>