4G modem is compatible with the function of 2G/3G modem. The transmission speed of 4G modem is fast than 3G modem dozens of times. High-performance industrial modem adopts 8/16/32 bit communication processor and industrial wireless module. Take the embedded real-time operating system as the software support platform, people can using RS232, RS485 or RS422 interfaces of 4G modem connect the serial devices to realize transparent data transmission.
4G modem integrates TCP/IP protocol, which supports the pass-through network mode. 4G modem supports the TCP client and UDP client, also supports 4G network of different operators. 4G modem has improved the efficiency of information transmission and network flexibility by using the SIM card and the 4G network.
4G modem supports the heartbeat packet function. 4G modem can realize re-connection function by sending the heartbeat packet to the server continuously under the pass-through network mode.
Functions of 4G modem:
With 1 RS232 or 1 RS485 interface,
Support pass-through function, integrates standard TCP/IP protocol.
Support TCP client, TCP server and UDP Client
Support DDNS function
Support register packet and heartbeat packet.
Support APN and VPDN
Support AT command query and set the parameters via- serial, network, SMS.
SMS Transmission, To achieve transparent communication between mobile phones and serial devices.
Applications of 4G modem:
4G modem is used for data collection and monitoring system. 4G modem can meet the requirements of most industrial applications, such as remote monitoring system of charging pile, real-time monitoring of energy consumption, remote power meter reading, environmental monitoring system, dam water conservancy project monitoring, etc.