This is possible because the Kindle comes with free, built-in wireless Internet access, using a cellular data network.

这可能是因为Kindle内置了手机数据传输网络，可以免费免费实现无线上网功能。

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This paper presents a multiple access control protocol (PPBMA) for wireless cellular network, which is based on packet priority, and ISDN services can be easily implemented.

为了在无线蜂窝网中实现综合业务，本文提出了基于分组优先级的多址接入控制协议(PPBMA)，该协议能有效地实现综合业务在无线蜂窝网中的传输。

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In addition, Bluegrass Cellular customers have access to Verizon Wireless' 4G LTE network throughout the United States.

ENGADGET: Bluegrass Cellular starts rolling out 4G LTE network with a bit of help from Verizon