THe 5G redcap industrial cellular modem is an industrial grade data transfer terminal device based on 5G network, designed specifically for industrial IoT scenarios. THe 5G redcap industrial cellular modem's core function is to convert serial/network data of industrial equipment such as PLCs and sensors into IP data packets, achieve bidirectional communication between the equipment and cloud platforms through 5G networks, and build wireless data transmission channels for industrial sites. THe 5G redcap industrial cellular modem has solved the problems of equipment dispersion, wiring difficulties and high real-time requirements in the industrial scene through the integration architecture of 5G network+edge computing, and has become the cornerstone of digital transformation in intelligent manufacturing, intelligent energy, environmental monitoring, intelligent charging and other fields. Its high reliability and flexible deployment characteristics are driving the leapfrog development of industrial Internet of Things from "wired constraints" to "wireless intelligence".