As is the case with any wireless service, you need three things to get access: a network, a device for connecting and a service plan.

同一切无线服务一样，你需要三件东西来完成接入：网络，接入设备和服务计划。

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Wireless network, as an important part of network plan and optimization, has been asked for more and more.

无线网络作为网络规划和优化的重要组成部分，对其则提出了更高的要求。

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Philadelphia's plan calls for the creation of a new wireless network that will blanket the entire city, providing high-speed Internet connectivity to residents and visitors.

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