Double lines and gaps in spectrogram

Hello everyone,
I have one RB and one 4D.
RB (see picture attached 1 and 3) is ok but the 4D after working well for few months is giving peaks and double lines in the spectrogram with gaps (pictures attached 2 and 4). Both RS are 1m distance apart. Pictures shows same scale and time spots.
Power supply is not the problem as I swapped them to test.
Could you help with this issue?
(Sine wave pattern on picture 1 and 2 are normal as a motor is turning not to far from my place)
Thanks,
Thomas (Vanuatu)



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Hello Thomas, and welcome to our community!

It’s great to hear from Vanuatu!!

Thank you for bringing this to our attention. I have forwarded your post to our team and they are looking into it.

I’ll update you again as soon as we know more.

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