主控芯片采用AT89C51单片机，通信方式采用抗干扰能力强、可靠性高的DTMF信号和单工调频的无线通信方式。
The master control chip uses AT89C51, the communication mode adopts DTMF signal with strong anti-interference and high reliability, and simplex frequency modulation.
主控芯片采用AT89C51单片机，通信方式采用抗干扰能力强、可靠性高的DTMF信号和单工调频的无线通信方式。
The master control chip uses AT89C51, the communication mode adopts DTMF signal with strong anti-interference and high reliability, and simplex frequency modulation.
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