系统主要包括的功能有：车载导航系统、DVD、FM调频收音机、电视、GPRS无线上网、倒车雷达及发短信报警。

These functions of automobile multimedia system include automobile navigation system, DVD player, FM radio, TV, GPRS wireless Internet connection, sending short message.

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介绍了无线调频基地台的DTMF选呼系统的硬件和软件。

The paper describes the hardware and software of DTMF paging for the FM radio station.

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用新型器件研制一种汽车司机用的移动电话机小型调频无线耳机的接收发射系统。

Compact FM transceiver system of wireless headset for cellular phone are introduced in this paper.

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