Product introduction: E78-DTU (470LN22) product is a standard LoraWan node radio designed and produced by Chengdu Ebyte Electronic Technology Co., Ltd. It is developed based on our E78-470LN22S wireless module, working frequency band CN470~510MHZ, supports CLASS-A /CLASS-C node type, supports ABP/OTAA two network access methods; the external communication interface of the radio adopts RS485 interface communication, the user can access the standard LoraWan network through AT commands or simple configuration of the host computer, and the digital radio has Transparent transmission, active polling and other functions, support serial port serial port upgrade and remote configuration, is an excellent choice for current IoT applications.