LTE (4G) Module

UMTS(3G) Module 1 UMTS Trunk

GSM (2G) Module 1GSM Trunk

1 FXS Port + 1 FXO Port

2 FXO Ports

2 FXS Ports

It is used to expand the capacity of PBX. 1...

Used to expand E1/T1 interfaces. It support 1 E1/T1 interface.

Used to expand RJ11 interfaces. It could be installed max....