C5c disconected

dear any
nice to talk with all,

I have C5c as below information’s:
master dish 31 dalta type
slave dish 34 ubnt type
signal is good 50 dbm
power 23 dBm
Channel Width 80 MHz
PHY Tx/Rx (Mbps): 650 / 585
MAC Tx/Rx (Mbps): 390 / 351
SW cisco 2960

my problem the wireless connection disconnected many times
some time each 24h(frequently)
some time 2days (more less)
some times disconnected tow time during 24h

please can any one told me why? and what your recommended the solutions ?

below the last log:
2021-04-30 18:52:42 (UTC +0000) root: MIMO_EVENT Wireless disassociated
2021-04-30 18:53:33 (UTC +0000) root: MIMO_EVENT Wireless associated
2021-05-03 08:17:22 (UTC +0000) root: MIMO_EVENT Wireless disassociated
2021-05-03 08:18:12 (UTC +0000) root: MIMO_EVENT Wireless associated
2021-05-03 15:53:48 (UTC +0000) root: MIMO_EVENT Wireless disassociated
2021-05-03 15:54:44 (UTC +0000) root: MIMO_EVENT Wireless associated

Couple quick questions that will help us get something better of an answer.

Is this a PTP between C5c radios?

How long is the link?

What is the signal strength on each end of the link? (RSSI)