Serial Module RS485 To WiFi Converter IoT USR-DR164 Support Modbus RTU to Modbus TCP Anti-interference Wide Coverage USR-DR162 is RS232 to Wi-Fi, USR-DR164 is RS485 to Wi-Fi; This listing is only for USR-dr164 Dual Band WiFi: 2. 4G + 5.8G “Lipstick” Size: Save your space DIN Rail mounting: Easy installation Modbus Gateway: Modbus TCP/RTU conversion Rich Protocol: TCP/UDP/HTTP/MQTT/IGMP Easy Configuration: Smart APlink APP Serial to WiFi, Bidirectional Data Transmission With serial to WiFi converter, traditional serial devices can be connected to local networks and the Internet, then users can transform traditional serial device into loT device to acheive remote monitoring/controlling. Dual Band WiFi, Anti-interference, Wide Coverage For 2. 4G : The transmission diatance can up to 200 meters in open environment; For 5.8G: It has anti-interface and high transmission speed, can work well in complex environment. One More Thing, Modbus Gateway Connect to PLC, SCADA system or user’s private server to achieve local or remote motoring. Modbus RTU to Modbus TCP Multi-Host Modbus Polling High Reliablity Design Watchdog Protection: Hardware & software dual watchdog to ensure stable operation. Flame retardant rating: V0, burning stops within 10 seconds on a vertical part allowing for drops of plastic that are not inflames. Wide Operating Temp: -40℃ ~ 85℃, industrial grade design, stable operation in harsh environments. Wide Power Input: DC 5-36V. Packing List USR-DR164 Antenna*1 _x000D_