Access Point Firmware:  DD-WRT v24-sp2 (03/19/12) std
Access Point Hardware:  netgear-wnr2000v3

Output of # iw dev wlan0 get power_save :
Power save: off

Output of $ iw dev wlan0 scan dump :
Attached log file (unix ending)

On Sun, 2013-06-02 at 12:00 +0200, ath9k-devel-requ...@lists.ath9k.org
wrote:
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> Today's Topics:
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>    1. Re: Tplink TL-WN822N drops out connections randomly on Arch
>       Linux with Kernel 3.9.4 (Mark Lee) (Oleksij Rempel)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 01 Jun 2013 19:22:22 +0200
> From: Oleksij Rempel <li...@rempel-privat.de>
> Subject: Re: [ath9k-devel] Tplink TL-WN822N drops out connections
>       randomly on Arch Linux with Kernel 3.9.4 (Mark Lee)
> To: ath9k-devel@lists.ath9k.org
> Message-ID: <51aa2dce.20...@rempel-privat.de>
> Content-Type: text/plain; charset=UTF-8; format=flowed
> 
> Am 01.06.2013 19:00, schrieb Mark E. Lee:
> > output of lsusb : Bus 006 Device 003: ID 0cf3:7015 Atheros
> > Communications, Inc. TP-Link TL-WN821N v3 802.11n [Atheros AR7010
> > +AR9287]
> >
> > Wireless N USb adapter has a "version 2.0" label though.
> >
> > I have attached my dmesg.
> 
> I have same adapter, here are images of it:
> http://wikidevi.com/wiki/TP-LINK_TL-WN822N_v2
> 
> but i don't have this problem. It will be interesting to have more 
> information:
> - please send output of "sudo iw dev wlan0 scan dump"
> - information about your access point. if possible name of wireless chip 
> in it. you can link it with wikidevi.com
> - do you use power_save mode? you can check it with "iw dev wlan0 get 
> power_save"
> 

-- 
Mark E. Lee <m...@markelee.com>
BSS c4:3d:c7:a4:57:21(on wlan0) -- associated
	TSF: 68911385231 usec (0d, 19:08:31)
	freq: 2437
	beacon interval: 100 TUs
	capability: ESS Privacy ShortSlotTime (0x0411)
	signal: -35.00 dBm
	last seen: 46703 ms ago
	Information elements from Probe Response frame:
	SSID: Folgers
	Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0 
	DS Parameter set: channel 6
	ERP: Barker_Preamble_Mode
	Extended supported rates: 24.0 36.0 48.0 54.0 
	RSN:	 * Version: 1
		 * Group cipher: CCMP
		 * Pairwise ciphers: CCMP
		 * Authentication suites: PSK
		 * Capabilities: 16-PTKSA-RC (0x000c)
	HT capabilities:
		Capabilities: 0x11ec
			HT20
			SM Power Save disabled
			RX HT20 SGI
			RX HT40 SGI
			TX STBC
			RX STBC 1-stream
			Max AMSDU length: 3839 bytes
			DSSS/CCK HT40
		Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
		Minimum RX AMPDU time spacing: 8 usec (0x06)
		HT TX/RX MCS rate indexes supported: 0-15
	HT operation:
		 * primary channel: 6
		 * secondary channel offset: no secondary
		 * STA channel width: 20 MHz
		 * RIFS: 0
		 * HT protection: non-HT mixed
		 * non-GF present: 1
		 * OBSS non-GF present: 1
		 * dual beacon: 0
		 * dual CTS protection: 0
		 * STBC beacon: 0
		 * L-SIG TXOP Prot: 0
		 * PCO active: 0
		 * PCO phase: 0
	WMM:	 * Parameter version 1
		 * BE: CW 15-1023, AIFSN 3
		 * BK: CW 15-1023, AIFSN 7
		 * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
		 * VO: CW 3-7, AIFSN 2, TXOP 1504 usec

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