说明：usb HID上位机程序，可以实现对指定HID设备的识别和数据收发。
USB HID host computer program, you can achieve the specified HID device identification and data transceiver.
在接收无线数据之后，收发信机30可以进行各种处理，例如包括频率转换以及按照需要的调制方案进行调制。
Upon receipt of wireless data, transceiver 30 May perform various processing including, for example, frequency conversion and modulation according to a desired modulation scheme.
在传输网络中，音频适配器采用双音多频芯片MT8880实现数据格式的转换功能，对讲机则完成对转换后的音频信号收发功能；
In the transmission network, the audio adapter adopts MT8880 to transform the data format and the wireless interphone is to transmit and receive the audio signal.
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