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农村村屯原有的有线广播在农业生产和宣传中起到了重要作用，但它的最大缺点就是需要埋杆架线，线路易损坏和丢失。 新型无线广播扩音机在四公里以内的村属分屯之间无需架线，它通过主机发射无线信号直接传送到安装在各屯分机的大喇叭上，声音洪亮。在村办公室可随时利用无?
The original cable broadcasting in rural villages played an important role in agricultural production and publicity. However, its biggest drawback was the need for buried pole wires, which were easily damaged and lost. The new wireless radio amplifier in the village within four kilometers of the sub-Tuen no need to wire, it transmits wireless signals through the host directly to the installed in the Tuen extension loudspeaker loud voice. In the village office can be used at any time without?