Do you have more than 1 antenna very close to each other ?
Try another channel.
Try to reduce the output power.
my frind i have other link 25 km its same ccq is so bad in same dish 30 dbi and RB912re-read my previous post.DECREASE THE POWER!!!!
-43 is too high!
30dB dish for 9 Km is excessive.
Hi.
Can you post your PTP configurations. and your antennas brand and model.