此系统组网灵活、开放性好、易于扩展。

This systematic group's network is flexible , opening is good , easy to expand .

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这时就需要一种价格便宜、组网灵活的无线数据传输系统。

So a kind of wireless data transmission system, which has low price and flexible networking, is needed.

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设计主要针对专网调度场合，具有很高的保密性和可靠性，组网灵活简便。

This design aimed at private network. Advantages of this system mainly include high confidentiality and reliability; flexible and easy in net building.

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