User's Manual

121
H8951
-
NA1
3G/4G Router User
Manual
7.1.2 SIM Slot
Phenomenon
Cannot insert SIM card
Possible Reason

SIM slot damaged

SIM card wrong direction
Solution

SIM slot damaged, please contact us to repair

Chec k the SIM card direction, please make sure the SIM card is inserted correctly
7.1.3 Ethernet Connection
Phenomenon
LAN LED dark, cannot visit router WEB GUI
Possible Reason

Ethernet cable connection problem

Ethernet cable damage

PC end network card abnormal
Solution

Re-connect Ethernet cable

Change a Ethernet cable

Check network card setting on PC end
7.1.4 Antenna Connection
Phenomenon
Cannot connect antenna
Possible Reason

Antenna type do not match

Wrong connection
Solution

Please check antenna interface, should be SMA-J

Please check antenna type, there are 3G/4G and WIFI, GPS antenna, do not mix them