User's Manual

123
H8951
-
NA1
3G/4G Router User
Manual
Solution

Replace SIM card

Re-install SIM card
7.2.4 Poor Signal
Phenomenon
H8951-NA Cellular Wi-Fi 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
H8951-NA Cellular Wi-Fi 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
7.3 VPN Problem
7.3.1 VPDN cannot connect
Phenomenon
VPDN cannot connect
Possible Reason

VPDN port work abnormal

VPDN parameter wrong

VPDN peer server abnormal