USR-G771 RS232/RS485 to LTE CAT 1 Cellular Modem Support LTE and GSM TCP UDP Transparent Transmission with SIM Card Support HTTP, MQTT, SMS (Modbus RTU to TCP Version NO Adapter)

USR-G771 is an LTE CAT 1 cellular modem, which supports LTE and GSM, covers the mainstream frequency bands of European operators, quickly delivers the bi-directional transparent transmission of data at serial ports and networks.; It has perfect software function, supports TCP/UDP transparent transmission, SMS transmission, HTTPD Client mode, and AT command configuration. Also, it is simple to configure, has high reliability and built-in hardware watchdog, supports FOTA upgrading.; USR-G771 has wide-voltage power supply terminals and DC interfaces, standard RS232 and RS485 interfaces meets the needs of different application scenarios.

; The serial device is connected with the network server through G771 todeliver bi-directional transparent transmission of data. The product supports 4 socket links, and keeps these 4 links independent of each other.; Registration Package plus Heartbeat Package. A registration package is sent to a server to identify the device, and a heartbeat packet is sent to a server to judge the active state of the device. A heartbeat packet is sent to a serial terminal to actively collect data.