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Thread: Signal to Noise Ratio

  1. #1

    Exclamation Signal to Noise Ratio

    I am having a VERY hard time finding an application/software to measure signal to noise ratio. Is there a way to do this with Wi-Spy or is there anyone who knows a piece of software and or hardware to do this would be greatly appreiceated.

  2. #2


    There are two ways that I know. First, you can use a Cisco 802.11a/b/g CardBus card along with their site survey utility program. It is the CB21AG card. You will have to search the Cisco site for the site survey program. They move it often.

    Second, you can use Wireshark if you add some columns. See slides 73-97 in this PowerPoint pptx presentation for the details on how I setup Wireshark for this purpose.

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