为实现终端呼叫数据的无线传输,设计采用STC89C52RC单片机作为控制芯片,低功耗芯片nRF905作为无线收发模块a最后给出该系统的相关硬件组成电路和数据传输流程图.经测试,系统运行稳定可靠,通信距离很远,且响应时间短,具有很广泛的应用前景.%In order to achieve the wireless transmission of terminal calling data* the signal chip microcomputer STC89C52RC is adopted as the control chip, and low-power chip nRF9O5 as a wireless transceiver module during.the design. The correlative hardware circuit of the system and the data transmission flow char are given. The design involves a stable and reliable function, a long communication distance, and the short response time. It has a very broad application prospect.
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