Change TX Power in BackTrack

A higher dbm value with your card should result in faster and higher percentage of successful results. I will make a script soon and attach it here shortly. You will have to CHMOD permissions for your Linux distro though.​

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You can change the tx power using the following commands in Terminal:​

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Code:

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sudo iwconfig

(find out where your card is, in this case wlan1)

Code:

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iw reg set BO

Code:

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iwconfig wlan1 txpower 30dbm

]This card is rated more than 30dbm!​

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Now it is ​

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If you get the following error code:
Error for wireless request "Set Tx Power" (8B26)
SET failed on device wlan1 ; Invalid argument.

Make sure you update BackTrack and compat-wireless.

Check out CRDA and other regulatory domain codes (Country List). New Zealand (NZ) from memory and are few others are also rated @ 30dbm.