The system based on the principle of zero-IF is realized by WE905 chip combined with AFC (Automatic Frequency Control) circuits power amplify circuit and so on to communicate.

• 该系统主要基于零中频技术原理,在主芯片WE905的基础上,结合自动频率控制电路、滤波电路、信号放大电路等功能电路实现无线通信。