5G full network access, dual-mode SA/NSA, compatible with 4G/3G/2G. Two LAN ports (one can be used as WAN), one RS232/485 port. Supports Electric power protocols 101/104 and Electric power terminal configuration interaction protocol. Dual SIM Card (optional), GPS/Beidou, Electric power encryption/eSIM. Features MQTT, Modbus TCP, OPC UA, Ntirp and DTU functions. Supports IPSEC, L2TP, PPTP, openVPN GRE DMVPN etc. Runs on Linux system and supports Python and C++ secondary development. DC 9~60V input voltage range; communication current of 140mA when online and 120mA when offline (12V). Operating temperature ranges from -40 to +75ºC; product size is 110x85x32mm.