MIR655R is a 5-port 10/100Base DIN-rail 4G industrial router designed and developed for industrial communication network applications, supporting LAN, WAN, 4G LTE and other multi-network online, intelligent switching of multi-network backup, and networking of serial and wired terminal devices. The product supports WEB configuration of a variety of network management functions, such as PPPoE dialing, DHCP server, 4G network, IP/MAC binding, static routing, firewall, VPN, serial to network, network diagnostics, SNMP, LLDP, cloud services, etc.; the system provides user management with different permissions, support for local/remote log management, support for timed reboot, configuration backup and recovery, firmware upgrade Support timer reboot, configuration backup and recovery, firmware upgrade, restore factory settings. It supports one-click reboot or factory reset. The hardware adopts high-standard industrial protection design, selected industrial-grade components, high-strength aluminum alloy shell, durable; low-power, wide temperature design, fanless shell cooling, support -40 ℃ ~ +70 ℃ working temperature, through the strict functionality, high and low temperatures, safety and EMC testing, to meet the needs of harsh industrial environment applications. The products can be widely used in industrial automation, integrated energy, smart city, intelligent transportation, smart mine, smart factory and other fields.