Huawei AR530 Series agile gateways AR531GR-U-H industrial switching router is designed to work in harsh environment. It integrates routing, switching, security and Advanced Metering infrastructure (AMI) function and provides various capabilities all in one devices. AMI centralized meter reading services automatically collect meter and status data, analyze and store data in a centralized manner, and send data to the management system. The Huawei AR531GR-U-H router has dual optical WAN interfaces, in addition to 3G backup for the ultimate reliability for industry applications. 1) 6 FE 10/100 ports, 2 GE 10/100/1000 ports, 2 RS485 ports, 2 DI ports, 3G, ZigBee/Sub-G, AC power supply 2) high- and low-temperature resistant, dustproof, waterproof, electro-magnetic interference resistance 3) Power Line Communications, Building Energy-efficiency Management System 4)150Mbps system bandwidth, 5.6Gbps switching Capacity, -40 - 60 temperature range 5)512MB Memory, 512MB Flash Memory, 1 USB 6) Zone-based firewall, VPNs, Security