RS- 485的三态能力允许以半双工通讯的方式分享传送和接收信号的一对导线。
The tristate capabilities of RS-485 allow a single pair of wires to share transmit and receive signals for half-duplex communications.
压电谐振器，及其制造方法，滤波器，双工器和通讯器件。
Piezoelectric resonator, production method thereof, filter, duplexer, and communication device.
SPCE061A的全双工异步通讯的串行接口可实现多机通讯，组成了步式控制系统。
SPCE061A duplexing asynchronous serial interface of communication can realize many machine communication, make up step type control system all.
系统采用射频芯片，串行通讯方式进行数据的半双工无线传输，具有较强的抗干扰能力。
This system adopts a special RF IC to Implement the semi-duplex data transfer in wireless and achieves perfect performance of anti-interference.
很多单工的通讯设备可以通过语音检测技术的应用实现收发状态的自动转换而以比较小的代价达到双工设备的功能。
Many traditional single simplex communication devices now can act as a duplex system under the help of voice activated module, which is actual voice activity detector.
很多单工的通讯设备可以通过语音检测技术的应用实现收发状态的自动转换而以比较小的代价达到双工设备的功能。
Many traditional single simplex communication devices now can act as a duplex system under the help of voice activated module, which is actual voice activity detector.
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