Re: WiFi Tx power question--more

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On 20.09.2014, Doug wrote: 

> A better location will probably be somewhere up above all the clutter around your work-station.
> Try it up about head-height or higher, on a little bracket or shelf on the wall. 

This is what I did some time ago and what worked for me.

Btw: I'm using an external USB adapter. It's a TP-Link TL-WDN4200:
Bus 002 Device 008: ID 148f:3573 Ralink Technology, Corp. RT3573 Wireless Adapter

[root@kiera ~]# uname -a
Linux kiera.fritha.org 3.16.3-rc1 #2 SMP PREEMPT Tue Sep 16 11:21:20 CEST 2014 x86_64 x86_64 x86_64 GNU/Linux

Dmesg says:

[  869.670426] ieee80211 phy2: rt2x00_set_rt: Info - RT chipset 3593, rev 0402 detected
[  869.704359] ieee80211 phy2: rt2x00_set_rf: Info - RF chipset 000d detected
[  869.705165] ieee80211 phy2: Selected rate control algorithm 'minstrel_ht'
[  869.730305] ieee80211 phy2: rt2x00lib_request_firmware: Info -Loading firmware file 'rt2870.bin'
[  869.730351] ieee80211 phy2: rt2x00lib_request_firmware: Info -Firmware detected - version: 0.29

Iwconfig says:

wlan1	   IEEE 802.11abgn  ESSID:"Moonshine"  
          Mode:Managed  Frequency:5.66 GHz  Access Point: 00:46:30:22:C8:76   
          Bit Rate=173.3 Mb/s   Tx-Power=23 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=49/70  Signal level=-61 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

Setting the txpower using iwconfig works fine, but not above 23 dBm,
which also is the standard for this adapter on 5 GHz.

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