[Introduction]：E180-DTU (ZG120-232) is a wireless communication device based on ZigBee technology. As a communication medium, like optical fiber, microwave, and cable, it has a certain scope of application， it provides real-time and reliable data transmission of monitoring signals in a private network under certain special conditions.It has low cost, convenient installation and maintenance, features of strong diffraction ability, flexible network structure, and long coverage range.