ZIGBEE wireless communication enhanced ZIGBEE module is integrated with rf receiver and transmitter and microchip which comply ZIGBEE standard. It supports long distance communication, with strong anti-interference; this allows you to get point to multipoint or multipoint to multipoint data communication, build start or MESH style networking structure. ZIGBEE module is consisting of central coordinator, router and terminal, which with different networking function. The central coordinator is the center node of the networking; it is responsible for the networking organization, maintenance, and management. The router is responsible for data relay and forward. The terminal is responsible for its data transmitting and receiving. The hardware of these three devices are the same in structure, the difference is on the features.