Active RFID has the competitive advantages of multi-function, high efficiency and low cost. The simple communication protocol is very easy to develop related application systems. The function of the electronic tag is to transmit the tag information to the reader device. The function of the reader device is to receive the electronic tag information and then transfer it to other applications. Applications, such as wireless sensor network applications. It can also form many-to-many broadcast wireless network applications, such as active RFID applications or hybrid topology applications.