The data gateway integrating the Internet of Things (IoT) and DMR (Digital Mobile Radio) digital wireless communication is a key device that combines IoT technology with DMR digital wireless communication technology. It can collect data from various IoT sensors and transmit them over long distances through the DMR digital wireless communication network, enabling communication connections between IoT devices and remote control centers or other terminals. At the same time, it can perform operations such as protocol conversion, encryption processing, and data caching on the transmitted data to ensure the accurate, secure, and efficient transmission of data. It is widely applied in fields such as intelligent transportation, industrial monitoring, emergency communication, and logistics management. This helps to improve the intelligent management level of the system and communication efficiency, reduce wiring costs, and enhance the reliability and flexibility of communication.