(Demand analysis: 1 Due to environmental restrictions and difficult cabling, the backbone data is transmitted from the ISP central point to each cell through wireless point-to-point transmission. 2. wireless internet access is realized through hotspot authentication. Meanwhile, bandwidth providers can use the hotspot authentication page to promote web advertising for their own networks. Radius billing software is used at the central point to charge users in each cell. 3. at the same time, it is necessary to conduct real-time monitoring and maintenance for all wireless devices.)
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