R40 is industrial edge computing router that has three LAN, one WAN, dual SIM cards, one RS485, two DI, two DO, and four AI interface, and with GPS and WiFi functions. Besides the router function of wireless network connection, it also has various functions such as Modbus data collection, protocol conversion, logic programming, timing control, etc. It can be connected to Huawei cloud, cloud, AWS cloud, Thingsboard and other cloud platforms. It is widely used in various industrial IoT scenarios.