Shenzhen Hongdian Technologies H7920 User Manual

Hongdian Corporation
114
H792x 3G/4G Router User Manual
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
H792x 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
H792x 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
H792x 3G/4G Router dial failure, log shows compress protocol not match
Possible Reason
Modem compress protocol do not match with server end
Solution
Change compress protocol setting

Shenzhen Hongdian Technologies H7920 Specifications

General

Brand	Shenzhen Hongdian Technologies
Model	H7920
Category	Network Router
Language	English