Hongdian H8922 Dual SIM Single Module - Manual (Page 139)

H8922 3G/4G Router 5 Router config
Version (2014-05-28) 5 -103
Possible Reason
 Antenna connect wrong
 Modem cannot online
 Modem offline
Solution
 Connect suitable antenna
 Modem cannot online, check SIM and modem setting
 Modem offline, check router setting, like wake up setting, ICMP setting, check if there are
any setting make router offline
7.2.3 Cannot find SIM/UIM card
Phenomenon
H8922 3G/4G Router cannot find SIM/UIM card
Possible Reason
 SIM card damage
 SIM bad contact
Solution
 Replace SIM card
 Re-install SIM card
7.2.4 Poor Signal
Phenomenon
H8922 3G/4G Router no signal or poor signal
Possible Reason
 Antenna connect wrong
 Area signal weak
Solution
 Check the antenna and re-connect it.
 Contact Telecom Operator to confirm signal problem
 Change to high-gain antenna
7.2.5 Compress Protocol not match
Phenomenon
H8922 3G/4G Router dial failure, log shows compress protocol not match