Vutlan VT7670E & VT7670G 4G modems support receiving and sending SMS messages via 2G, as well as providing Ethernet connectivity over LTE (4G). Supports network redundancy; if the LAN connection fails, the module automatically switches to LTE 4G to maintain the Ethernet connection. This plug-and-play board is inserted into the modem slot of Vutlan monitoring units. VT7670E is best suited for the European region. VT7670G is best suited for the rest of the world.