User manual

S9922 3G/4G Router User Manual
RICON: Mobile Connect Tecnology
Possible Reason

SIM card damage

SIM bad contact
Solution

Replace SIM card

Re-install SIM card
7.2.4 Poor Signal
Phenomenon
S9922 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
S9922 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