USR-DR504-G Din Rail RS485 Industrial Cellular Modems for M2M and IoT Applications X 1 Set

Order from Amazon:  Package: 1 PCS USR-DR504-G Device + 1 PCS Antenna + 1 PCS AdapterDin rail mounted RS485 industrial cellular modems with sim card slot USR-DR504-G with global bands can realize the data transmission between RS485 and 4G Network.Din rail industrial modems USR-DR504-G are ideal for M2M and IoT applications—such as distribution automation, smart metering, water & wastewater, heating, street light monitoring and etc. DC 9-36V wide input voltage range power supply 4G LTE，fallback to 3G/2G Two-way Transparent transmission TCP/UDP，HTTP, SMS，Modbus，MQTT SMS,NET,Serial AT command configurationFTP Upgrade and FOTA self upgrade Socket Distribution Protocol