3G Backup Connection
1.
Go to
Network Setting> Broadband > 3G WAN
.
2.
Card Description will show what dongle model is plugged into
SBG3300 Series.
3.
If SBG3300 Series supports that dongle,
3G status
will read Enable.
4.
Fill in the PIN number.
5.
Enter the APN string or number.