C3#Serial to WiFi Ethernet Wireless Converter

Description

TDU771 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.

TDU771 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.