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Thread: Unknown continuous signals, between 2.435 and 2.460 GHz

  1. #1

    Question Unknown continuous signals, between 2.435 and 2.460 GHz

    While scanning my 2.4 GHz neighbourhood, I got these signals. I have no idea what they could be. Continuous low power signals between 2.435 and 2.460 GHz

    Has anyone seen something like this before?

    I have attached waterfall and density views.

    Thanks for your help.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  2. #2

    Default

    Hmm, those look kind of like audio transmissions. Could you post a larger image?

  3. #3

    Default Unknown continuous signals, between 2.435 and 2.460 GHz

    Quote Originally Posted by Tyler View Post
    Hmm, those look kind of like audio transmissions. Could you post a larger image?
    Thanks for your answer. I posted larger images.
    What do you mean by audio transmission ?
    Could you give me some device example ?
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  4. #4

    Default

    Well, after looking at the larger image, I don't suppose it would be audio. I was thinking it may have been an amateur radio operator, but that wouldn't explain the lines above 2.45GHz.

  5. #5

    Default

    Could you post a recording of the transmitter/s? I think it may actually be a cordless phone of Uniden, but I am not sure about all the lines. a histogram view would be very useful in a recording.

    Are the transmissions continuous all the time day and night or do they ever stop or move positions?

    I have also see AT&T Uverse/xDSL lines give off certain continuous transmission, or other types of very specific electrical (cable) [data] give off continuous lines like the green ones. If it is a cordless phone, some of the lines on the sides of the wider line/signal shown in the center, can be strange harmonic side frequencies from the phone. Or it could be the reflection wave/time difference of the device giving off the main signal..

    Also how are you using the Wi-Spy as it could spirous emissions from the computer too... Have you isolated the computer out of the equation? Like the hard drive??

    Oxygen

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