If you install 2.4Ghz networks, it is a must have in signal saturated world.
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Same as my other ad, but the earlier model that only does 2.4Ghz.
Hardware only, uses free version of Chanalyzer zero issues, The full version of Chanalyzer however is a separate product and cost as much again as the hardware. ;-)
You can download all that from them.
Or if you are a Linux user, can user spectools as well! (Second image)
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