RSSI issue on LTE L8/L18

RSSI trouble-shooting 

high RSSI can be happened due to wrong configuration (e.g : using mixed mode), or from external source like police stations, hospitals, etc. And you might need PIM test as a final test.

*source:telecomfunda.com


 if no interference check or replace jumper tails and connectors

both are possible issue my own experience

JS