The new GSM Gateway VS-GW1202-8G with the Modular Design can provides up to 2 plug-in GSM gateway modules which could support 4 or 8 GSM channels and 2 Ethernet ports, developed for interconnecting a wide selection of codecs, including G.711A, G.711U, G.729, G.722, G.723, G.726 & GSM, to the GSM cellular networks to quickly reduce telecommunication...
4G/LTE Module 4-channel for VS-GW1600 V2