-60 noise floor on all frecuencies

Products C5
#1

Hi guys,

Look at the first image, is from the local (AP) spectrum analyzer tab of my C5C.
Never seen this before on any device I’ve installed.
Both sites were installed by same person, with more than 10 years experience installling wireless links.
Any ideas on how is it possible to have a -60 noise floor on every frecuency? Maybe the device is faulty? the second image is at the CPE side, were all seems fine.

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Below is the Mimo status on the AP

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#2

Seems like it is interfering with itself which probably means either bad unit or bad coax. If youre able to recall when you programmed it on the bench if this noise issue was present or not. If it wasn’t there when you programmed then I suspect it’s the coax