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From: Christian Lamparter <chunkeey@googlemail.com>
To: Damian Lesiuk <lesiuk@gmail.com>
Subject: Re: carl9170: TP-LINK TL-WN822N slow connection speeds (16 mbps) MASTER MODE
Date: Thu, 14 Apr 2011 21:06:48 +0200
Cc: linux-wireless@vger.kernel.org
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On Thursday 14 April 2011 16:50:31 Damian Lesiuk wrote:
> btw I have 40 mbps now WOW!! :)
nearly half-way.

> But my windows 7 laptop still shows it as 75 mbps connection.

yup, but that's because of hostapd. You should start it with -d (or -dd)
and check the logs for something like:

"20/40 MHz operation not permitted on channel pri=7 sec=3 based on overlapping BSSes"

this is expected [see 802.11n 11.14.12 ] and you'll have to deal with
this issue differently [e.g.: move to another channel]. 

Regards,
	Chr