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无线网络的应用已经深入到了现代企业当中,成为传统有线网络灵活扩展的重要技术.无线网络可以实现无线数据、无线语音、无线视频监控等业务一体化功能.它组网容易,使用方便,网络建成后的维护和运营费用大大低于有线网络.该文在无线局域网的基础上,介绍了一种无线城域网覆盖的设计方案,并且详细描述了其软硬件实施环境、无线监控情况(包括性能测试)、网络建成以后的功能以及发展前景.“,”Wireless networks have been applied into the modern enterprise, it has become an important technology for the flexible expansion of traditional cable network. Wireless networks can achieve the functions of wireless data, wireless voice, wireless video surveillance, and other business integration. It's easy to use and make, and the costs of maintenance and operating after the network are much lower than the cable network. In this paper, on the basis of the Wireless Local Area Network, I introduce a design of Wireless Metropolitan Area Network, and I make a detailed description of its hardware and software environment, the situation of wireless monitor (including performance testing), functions after the completion of the network as well as the prospects for development.