Txpower is capped at 13 dBm

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fallengt
DD-WRT Novice


Joined: 14 Jun 2011
Posts: 21
PostPosted: Tue Nov 20, 2012 13:58    Post subject: Txpower is capped at 13 dBm Reply with quote
Hi,
I own a buffalo ag300h dual band wireless router and went ahead flash dd-wrt( both pro and community build version) but webGUI shows my Txpower at 13dbm for both version, change Regulatory Domain and Tx power do nothing.
I've tried iwconfig ath0 txpower command but number higher than 13 result an error:

Code:
 Error for wireless request "Set Tx power" (8B26)
 SET failed on device ath0 ; Invalid argument.


not sure why but it seems my router is capped at 13.Any advice?
Also:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=137032
Cannot found 80211n_wlanconfig command

Edit: probally EEPROM of the card defines the regulatory limits. How do I fix it?
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Sash
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PostPosted: Tue Nov 20, 2012 19:03    Post subject: Reply with quote
read 1st:
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fallengt
DD-WRT Novice


Joined: 14 Jun 2011
Posts: 21
PostPosted: Tue Nov 20, 2012 20:56    Post subject: Reply with quote
Can you give me a link Question
I did look up but still got no solution yet. Tried both iw ; iwconfig but set anything higher than 13dbm = error
Changing different region also doesn't work
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