C20M-5B Five Signal Repeater
10
Everything is okay
after power-on, but
no improvement in
signal
The network of SIM card does not
comply with that of signal repeater
Replace SIM card or repeater
The inside antenna is not
successfully connected
Fasten the connection of inside
cable and connectors
The inside antenna is damaged
Replace the inside antenna
Effectiveness of the
repeater degrades
after working for a
while
The outdoor antenna is damaged
Replace the outside antenna
The outside antenna get loose
and is not towards the BTS
Change the direction of outside
antenna and fasten it
Feeder is damaged
Replace the feeder
Notes
Power-off is recommended in the following situations.
Power supply is abnormal.
Liquid flows into the device or too close to the fire.
Working conditions are abnormal such as overheating, strange smell or foreign matters.
