Setting up a modem

Read the following articles for installation instructions:

Introduction

The modems work in Primary mode. If the primary mode is unavailable, the modem switches to Secondary the mode of operation.

Modems	4G support	3G support	Used for:

Modems	4G support	3G support	Used for:
VT740	Primary	Secondary	VT335t, VT825t, VT855t
VT740	Primary	Secondary	VT825i v2 , VT825ii v2 , VT855i v2 , VT855ii v2 , VT960i v3, VT960ii v3,
VT750 (in development)	Primary	Secondary	Lora Gateway
VT760 (legacy)	Primary	Secondary	VT335 S, VT604, VT608, VT805, VT825, VT825 DC,
VT770	Primary	Secondary	VT336
VT790	Primary	Secondary	VT960i v2, VT960ii v2, VT825i v1, VT825ii v1, VT855i v1, VT855ii v1,