5G IIoT Gateway , Dual SIM slots, Wireless AC1200, 3 Gigabit Ports with 1 WAN/LAN, supports 5G NR n1/n3/n5/n7/n8/n20/n28/n38/n40/n41/n71/n75/n76/n77/n78, 1x micro-SD Slot, 2x AI, 2x DI, 2x DO, DC 9-36V Power (Terminal Block) , 4 external 5G antennas, 2 external WiFi antennas, IPSec, OpenVPN, PPTP,L2TP,GRE, WireGuard VPN, Modbus TCP/RTU/ASCII Master/Slave, web-based UI/SNMP management/D-ECS Cloud Management, operating temperature: -30 to 70 ˚C