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Thread: AWUS036NH TX Power

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  1. #1
    Senior Member
    Join Date
    May 2010
    Posts
    198

    Default AWUS036NH TX Power

    First - If you break your card??? I am not going to lose any sleep over it.

    I was able to get the TX Power of my awuso36nh card all the way up to 33 working with injection. Here is how I did it.
    One warning. I am doing this on Ubuntu but it shouldn't be too much different.

    I followed Joker5bb great tutorial (This was really helpful). except...
    http://hacking-library.com/forum/vie...284&p=550#p550

    I was having issues so instead of adding an entire country code (XX) to the db.txt file I just changed the US channels max TX to 33.

    It went from this
    Code:
    country US:
            (2402 - 2472 @ 40), (3, 27)
            (5170 - 5250 @ 40), (3, 17)
            (5250 - 5330 @ 40), (3, 20), DFS
            (5490 - 5600 @ 40), (3, 20), DFS
            (5650 - 5710 @ 40), (3, 20), DFS
            (5735 - 5835 @ 40), (3, 30)
    to this

    Code:
    country US:
            (2402 - 2472 @ 40), (3, 33)
            (5170 - 5250 @ 40), (3, 17)
            (5250 - 5330 @ 40), (3, 20), DFS
            (5490 - 5600 @ 40), (3, 20), DFS
            (5650 - 5710 @ 40), (3, 20), DFS
            (5735 - 5835 @ 40), (3, 30)
    I did not mess around with the other frequencies but you see how it works.

    make sure your compat-wireless drivers are up to date.

    You may want to get the more updated packages from the one in this tutorial

    Code:
    http://wireless.kernel.org/download/wireless-regdb/wireless-regdb-2011.04.28.tar.bz2
    http://wireless.kernel.org/download/crda/crda-1.1.2.tar.bz2
    Make sure you 'iw reg set US' if thats the section you changed.

    Do this at your own risk.

    Here is the output
    Code:
    # ifconfig wlan1 down
    # iw reg set US
    # iwconfig wlan1 txpower 32
    # ifconfig wlan1 up
    # airmon-ng start wlan1
    Interface       Chipset         Driver
    
    wlan1           Ralink RT2870/3070      rt2800usb - [phy2]
                                    (monitor mode enabled on mon0)
    
    # iwconfig
    wlan1     IEEE 802.11bgn  ESSID:off/any  
              Mode:Managed  Access Point: Not-Associated   Tx-Power=32 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Encryption key:off
              Power Management:on
    
    mon0      IEEE 802.11bgn  Mode:Monitor  Tx-Power=32 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:on
              
    # airmon-ng 
    
    Interface       Chipset         Driver
    
    wlan1           Ralink RT2870/3070      rt2800usb - [phy1]
    mon0            Ralink RT2870/3070      rt2800usb - [phy1]
    
    # aireplay-ng --test mon0
    00:00:23  Trying broadcast probe requests...
    00:00:23  Injection is working!
    00:00:24  Found 4 APs
    I have to say, with a good antenna and a powered USB hub, this is the best wireless card I have ever owned.
    Last edited by Scamentology; 01-07-2012 at 08:54 AM.
    "Never do anything against conscience -- even if the state demands it."
    -- Albert Einstein

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