hi
we installed new tower and all the clients r receiving signal perfectly around -50 db but ccq is terribly wrong and it is not constant varies from 20 - 90 continuously what to do ? any suggestions

It is interference with some other RF signal. Use some portable spectrum analyser or RouterOS spectrum analyser feature.

what is router os spectrum analyzer i didnt know abt it can u guide me on that plz thank you

My ccq drops when there is a slight breeze. i think it has something to do with the trees. You can try to decrease data rates.

Play around with the frequencies, you will see a better chanells, bcos even if you finish analysing and discovered it is an interference from another RF signal, what will you do? you can't tell them to shutdown.

Certainly it is interference, but from my experience, it will still boil down to managing the situation or switching to other range of frequencies entirely.