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Thread: AWUS036NH TX Power

  1. #11
    Good friend of the forums zimmaro's Avatar
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    Default Re: AWUS036NH TX Power

    thanks, scamentology
    in my country is forbidden too! and to me it's not! I made it a quick test for my curiosity! If I can tell you my impressions compared to 36h
    I'm testing with and without compact driver (bt5r1vbox +32 +9)
    -Dumping (wooowowhh) but the values ​​(distance-power) have a different "scale" which I think is not real (ex using reaver attack don't work) the same "network" with 36h I see them with another (distance -power) and reaver attack worked!!
    -the injection pass the tests mon0. but if Shell 1 [airodumping] + shell 2[aireplaying] in my brief case did not work! [this is session-work]
    -for "normal-connection" problem-I 've often I crash!
    I understand a little! This is my little test! I'm glad to have tried and I thank you for sharing your knowledge!
    After my test FOR ME the 36h (also at one watt [in my country-forbidden] is more real, stable, and gives me less headaches!
    thanks again Zimmaro the g0at-brain

  2. #12
    Senior Member VulpiArgenti's Avatar
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    Default Re: AWUS036NH TX Power

    Works beautifully - thanks Scamentology.

    I didn't need to use compat-wireless. Have you seen any benefit from the newer driver?

  3. #13
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    Default Re: AWUS036NH TX Power

    Quote Originally Posted by Scamentology View Post

    I followed Joker5bb great tutorial (This was really helpful). except...
    http://hacking-library.com/forum/vie...284&p=550#p550
    First of all thanks a lot for finding this link.. I can now go up to 35 dBm

    Code:
    root@bt:~/scripts# iwconfig wlan1
    wlan1     IEEE 802.11bgn  ESSID:off/any  
              Mode:Managed  Access Point: Not-Associated   Tx-Power=35 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Encryption key:off
              Power Management:on
    But as there is always a but..here is my issue:
    I am using this Chinese Made Blueway Model N9200 which has got exactly the same chip as in AWUS036NH.

    Code:
    root@bt:~# lsusb
    --------
    Bus 001 Device 004: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
    --------
    This card worked out of the box in my BT5 R2 Gnome 64bit machine. It uses rt2800usb driver.

    My kernel is: Linux bt 3.2.6 #1 SMP Fri Feb 17 10:34:20 EST 2012 x86_64 GNU/Linux

    Anyway though I did not have any issue with this card: see this post:
    http://www.backtrack-linux.org/forum...ight=AWUS036NH

    I just thought I will give compat-wireless a go: and this is what I have done.
    I have downloaded the latest one "compat-wireless-3.5-rc3-1.tar.bz2"
    and followed all the installation instruction from here:
    http://www.aircrack-ng.org/doku.php?id=compat-wireless

    After installing the compat-wireless I could not change the txpower of wlan1. It always remained at Tx-Power=0 dBm
    I now have uninstalled compat-wireless and I am back to normal.

    Ok here is the sequence of events:

    1. My Blueway Model N9200 working fine with rt2800usb driver (wlan1)
    2. Install compat-wireless-3.5-rc3-1
    3. Can no longer change wlan1 Tx-Power and always set to Tx-Power=0 dBm
    4. Followed all the instruction here: http://hacking-library.com/forum/vie...284&p=550#p550
    5. wlan1 Tx-Power still set to 0 dBm
    6. Uninstall compat-wireless-3.5-rc3-1
    7. I now can change the wlan1 Tx-Power all the way up to 35 dBm

    Can someone please tell me what benefit will I get by using compat-wireless, please?

    Regards

  4. #14
    Just burned his ISO
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    Default Re: AWUS036NH TX Power

    Hannah,

    Hello. I have this usb wifi radio, ID 148f:3070. Tx-Power is also zero for me. You should be aware that there are known bugs with the kernel driver, see http://rt2x00.serialmonkey.com/phpBB...php?f=5&t=6210
    I hope there will be a fix soon.

  5. #15
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    Default Re: AWUS036NH TX Power

    You do realize that you're probably exceeding 1 watt and therefore subjecting your self to high levels of radiation in the 2.4 GHz spectrum right? Hint...2.4GHz is a MICROWAVE.....

    Just sayin...
    V/r,
    Snafu
    Pffbt..[quote]I made a discovery today. I found a computer. Wait a second, this is cool. It does what I want it to. If it makes a mistake, it's because I screwed it up. Not because it doesn't like me... Or feels threatened by me.. Or thinks I'm a smart ass.. [/quote]

  6. #16
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    Default Re: AWUS036NH TX Power

    Quote Originally Posted by snafu777 View Post
    You do realize that you're probably exceeding 1 watt and therefore subjecting your self to high levels of radiation in the 2.4 GHz spectrum right? Hint...2.4GHz is a MICROWAVE.....

    Just sayin...
    Did not know that.. But for my normal operation I run it at 20dBm however when I am cracking WPS pin or Injection I run it 30dBm (because previously this is as high I could set it for country Bolivia). 30dBm is 1watt so 35dBm is 3.2 watt.

    Question is if the card allows 35dBm then what is the problem here (other than the radiation), please?

    Also when I do cracking I am not near the computer but thanks for the warning.. appreciate that.
    Last edited by hannah; 06-21-2012 at 06:25 AM. Reason: Added some more comments

  7. #17
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    Default Re: AWUS036NH TX Power

    Quote Originally Posted by hannah View Post
    Ok here is the sequence of events:

    1. My Blueway Model N9200 working fine with rt2800usb driver (wlan1)
    2. Install compat-wireless-3.5-rc3-1
    3. Can no longer change wlan1 Tx-Power and always set to Tx-Power=0 dBm
    4. Followed all the instruction here: http://hacking-library.com/forum/vie...284&p=550#p550
    5. wlan1 Tx-Power still set to 0 dBm
    6. Uninstall compat-wireless-3.5-rc3-1
    7. I now can change the wlan1 Tx-Power all the way up to 35 dBm

    Can someone please tell me what benefit will I get by using compat-wireless, please?

    Regards
    Bugger quoting my own post.. anyway does anyone know if the issue with compat-wireless driver which sets Tx-Power to 0 dBm been resolved or not. I am having intermittent issues with standard out of the box rt2800usb driver.

  8. #18
    Just burned his ISO
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    Default Re: AWUS036NH TX Power

    A major bug was fixed yesterday in compat-wireless which impacted all Ralink 3070 devices, including those with device id 148f:3070. See both the thread entitled [rt2x00-users] rt2800usb stops at random here:

    http://rt2x00.serialmonkey.com/piper...ne/thread.html
    &
    http://rt2x00.serialmonkey.com/piper...ly/thread.html

    I cannot confirm that your specific issue was fixed. You may which to raise it with the maintainer on their own site.

  9. #19
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    Default Re: AWUS036NH TX Power

    Quote Originally Posted by dmcdonnell View Post
    A major bug was fixed yesterday in compat-wireless which impacted all Ralink 3070 devices, including those with device id 148f:3070. See both the thread entitled [rt2x00-users] rt2800usb stops at random here:

    http://rt2x00.serialmonkey.com/piper...ne/thread.html
    &
    http://rt2x00.serialmonkey.com/piper...ly/thread.html

    I cannot confirm that your specific issue was fixed. You may which to raise it with the maintainer on their own site.
    Thanks a lot for these links...
    Ok I am only taking about that I cannot set the Tx-Power to anything other than '0' after installing compat-wireless-3.5-rc3-1. So I did a little dig up in those threads and found this particular link:

    http://patchwork.openwrt.org/patch/2165/

    &

    http://thread.gmane.org/gmane.comp.e...24/focus=91290

    Frankly I am not that knowledgeable to follow what they are talking about in those threads. However may be someone here can utilize these info and tell us what we need to do.

    Many thanks

  10. #20
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    Default Re: AWUS036NH TX Power

    Hi Hannah,

    The first point is that the Tx-Power = 0 "bug" is largely cosmetic, transmit power is not zero in reality, the "bug" just reports it as zero because it does not know the true value. The threads you point to make the case that for certain wifi radio devices it is impossible for the device driver to know what the real power setting is because the device does not specify the calibrated value. Power can be varied in some cases, but that does not change the fact that the PC does not know what the radio power setting is. This problem is independent of operating system, the bug is a feature of certain wifi radios that use the ralink chipset.

    I have one of these radios and I can communicate with an AP over 500m distant inside a building while Tx-Power is reported to be zero. Careful selection of your wifi radio will avoid this problem but you will probably pay more for it. Mine cost US$7 on ebay. You get what you pay for, I guess.

    There are patches described in the threads you point to, from the Compat-Wireless maintainers. They do not appear to have been applied yet and will not in fact make much difference in any case. They best you expect, from my reading of the discussion, is a change that would make an intelligent guess at the Tx-Power or simply say Tx-Power is unknown.

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