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Thread: 2.4 Ghz noise?

  1. #1

    Default 2.4 Ghz noise?

    Hi,
    we have 2 access points that use channels 6 and 11 and they transmit the UM2 and PCLINE SSIDs. Many clients in area frequently disconnect (also if they are under the access point). We've collected some 'trace' with Chanalyzer and we saw that the signal is not so clean. What do you think about the graphs attached?

    Thank you.
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  2. #2
    Join Date
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    Default

    The AP on channel 13 is creating interference for the AP on channel 11.
    Old Mod by the Sea

  3. #3

    Default

    Quote Originally Posted by ua549 View Post
    The AP on channel 13 is creating interference for the AP on channel 11.
    Agreed, it looks like the two are interfering with each other. When they are on partially overlapping channels, this is known as Adjacent-Channel Interference.

    You could do one of two things:

    1. Place all of your AP's on channels 1, 5, 9, and 13 to eliminate adjacent-channel interference (this only works if you're outside the US, and if visitors from the US don't try to use their devices on your network, and if you have control of all of the AP's nearby)
    2. Place all of your AP's on channels 1, 6, and 11

    I would try one of those two things first to see if it helps.
    Joel, Mobility+, ECSE, CWNE #233
    Technical Trainer
    MetaGeek

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