The 4G gateway is a cost-effective 4G gateway product specifically developed for automation, information systems, IoT, and other applications.  

The 4G gateway comes with features like serial-to-4G transparent transmission, edge data collection, scheduled data reporting, data change reporting, and remote control.  

For module downlink, it supports various serial fieldbus communication protocols like Modbus_RTU/ASCII, DLT645-97/07, S7-200 PPI (S7-Smart 485 interface) PLC, FX2N, FX3U, and more.  

For module uplink, it supports protocols such as TCP, HTTP, MQTT, and reports data in JSON format. It works with private clouds, Alibaba Cloud, Huawei Cloud, Baidu Cloud, ThingsBoard, Airiot, EMQX, Mosquito, RabbitMQ, and other cloud platforms as well as MQTT Brokers, helping software developers quickly build IoT data collection systems and information platforms.  

The module also has remote management capabilities for configuration and upgrades, reducing maintenance costs and improving the user experience.