1. Two-way transparent transmission, DTU is two-way transparent transmission, users do not need Single serial port serverto care about complicated protocols.2. Actively collect sensor data and report, save the collector, save costs, and at the same time, it is easy to use, just set the collection cycle in the configuration software.3. Based on embedded Linux system development, it has high reliability;4. Support multiple working modes: network transparent transmission mode, cloud configuration mode, protocol transparent transmission (UDC) mode, HTTPD mode;5. Support 2 network connections online at the same time, support TCP and UDP;6. Support TCP Server and 8-way Client access;7. It supports edge computing and cloud polling, and can realize data monitoring of terminal equipment with zero development;8. Support cloud transparent transmission and transfer terminal data, provide supporting virtual serial port software and secondary development SDK;9. Support serial port 20-packet data cache, and the cached data will not be lost when the connection is abnormal;10. Support signal quality monitoring and data flow monitoring;11. Support abnormal signal strength alarm, data traffic excess alarm, offline alarm;12. Support remote firmware upgrade (FOTA self-upgrade), which can quickly upgrade batch devices;13. Support remote configuration parameters, which can quickly configure batch devices;14. Support sending registration packet/heartbeat packet data;15. Support the base station positioning function, you can check the real-time location of the device at any time and trace the historical track;16. Support socket distribution protocol, which can send data to different Sockets;17. Support protocol transparent transmission mode (UDC mode), and provide server-side secondary Remote IO moduledevelopment materials;18. Support FTP and other update protocols to facilitate remote update of customer terminal equipment19. Support basic instruction set, support remote SMS to set device parameters;20. Support simple commands to send Chinese/English text messages, avoiding the complexity and difficulty of PDU sending Chinese text messages.