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Tool to scan WLAN channels

Discussion in 'General Discussion' started by arachma1, Apr 29, 2005.

  1. arachma1

    arachma1 Network Guru Member

    Does anybody know what kind of tool I can use to find out the signal strength of each WLAN channels?

    I want to use the weakest WLAN channel used in my neigbourhood for my WRT54GS. And I also want to find out the signal strength of other devices using the frequencies of WLAN channels.

    Thanks in advance for your help.
     
  2. XCOM7

    XCOM7 Network Guru Member

  3. t4thfavor

    t4thfavor Network Guru Member

    for one why do you want to use the weakest?
    and two if you do want weak use use third party firmware and make the tx power 1mw
    it makes it really weaker
    good luck
     
  4. arachma1

    arachma1 Network Guru Member

    Well, if I use the channel with the strongest signal strength that is being used by one of my neighbours, I would get the highest interference, wouldn't I?

    Maybe with that tool I could get the channel that nobody in my neighbourhood and no devices around my apartement use it. Basically the cleanest channel available.
     
  5. Sjowhan

    Sjowhan Network Guru Member

  6. arachma1

    arachma1 Network Guru Member

    Thanks a lot for this information.

    But this tool does not scan all the 13 WLAN channels at once. It only gives me the information about the channel that my router is using as my network adapter is just automatically synchronising itself to use that channel. I can create a profile on my WPC54GS with SSID set to ANY, but in that case the channel is fixed to 11. So this tool is just obtaining information from all available APs using this channel 11.

    I actually just need a tool to give me the information about the signal and noise of each 13 channels in dBm for instance, without acquiring any deeper information, e.g. SSID etc, of the signal sources.
     
  7. jagboy

    jagboy Network Guru Member

  8. XCOM7

    XCOM7 Network Guru Member

    If you have a Mac than KisMac is perfect for you...
    Is what I use for Wireless Network Security Assessments.
    http://kismac.binaervarianz.de/
     
  9. jagboy

    jagboy Network Guru Member

    i wish they made this for windows that supoported usb wireless adpaters
     
  10. jagboy

    jagboy Network Guru Member

    and i am sure that you could find good "wireles network finder" on google
     
  11. XCOM7

    XCOM7 Network Guru Member

    eEye are one of the best I.S. Consultants in the US they are the ones who found the UPnP flaw.
    Grate find.
    Thanks
     
  12. jagboy

    jagboy Network Guru Member

    you would be amazed what is in the usefulweb links section. i post there but no one looks there
     
  13. t4thfavor

    t4thfavor Network Guru Member

    i thought you were looking for a weak channel so that noone would pick your stuff up. which is what i do.
    in all reality netstumbler does scan all channels in order to find networks.
    its like a police scanner for wifi as in it changes the channel really fast untill it finds a wireless ap.

    i would use it and then put yours on the channel that noone else shows up on.
    possibly a channel or two away from anyone if possible.

    most client software for wifi cards will look for wifi stations in area so im sure that will be all you will need


    i run 2 ap's in the same room on different channels and i never get any problems.

    the only issue you will have is maybe a small drop in speed due to filtering of other channels.

    which you will never notice if you have cable.

    just in case you care still
     
  14. jagboy

    jagboy Network Guru Member

    usually windows will do the jobof picking up networks
     

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