Many people, and even smartphone vendors such as Apple, claim that using Wi-Fi for wireless data consumes less power than using a cellular signal, so you should use Wi-Fi whenever you can.

很多人，甚至包括苹果智能手机的零售商，都说使用Wi-Fi作为无线连接会比使用蜂窝网络信号省电，所以你应该尽可能使用Wi-Fi。

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Side-by-side with the review, the FCC is proposing an incentive-based reverse auction strategy to have TV broadcasters voluntarily give up their spectrum for cellular and data use.

ENGADGET: FCC votes in favor of rethinking spectrum holding rules, goading broadcasters into wireless selloffs

But in some areas of the United States, data-capable cellular networks aren't available, so FedEx has to use its own private networks.

FORBES: FedEx Bites Into Bluetooth

This is a company whose primary business is the provisioning of a global virtual cellular network for primarily corporate clients to offer deeply discounted voice and data GSM services through the use of specially engineered SIM cards and an intricate supporting infrastructure and software for least cost routing and simplified phone number schemes.

FORBES: All Phone Calls With Brokers In The UK Now Recorded; Coming Soon To Europe and America