Using existing cable and radio communication net, large scope remote data collecting system is established easily and rapidly.

利用现有的有线和无线通讯网，可方便快捷地建立起一个大范围的远程数据采集系统。

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Simultaneity, an equipment of the expand application of VHF station has been gived to enhance the quality and capacity of the radio communication net of system.

同时，在超短波电台基础上，设计了一种扩展通信设备，实现了系统无线通信质量和容量的进一步提升。

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