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The Droid Pocket Guide by Jason D. O’Grady

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3. Droid Hardware

In this chapter, I dig into a few of the Droid’s key hardware features—specifically, its radios. Radios are the chips that the Droid uses for sending and receiving data via 3G, Wi-Fi, Global Positioning System (GPS), and Bluetooth. For the most part, these radios work invisibly, doing their thing silently in the background, but learning some subtle nuances of their interfaces can be helpful.

Although the topic can get a little technical, this chapter provides lots of information about the Droid’s various radios, including the most important tip of all: how to turn them off to conserve battery life. I explore the features and benefits of four of the Droid’s radios—3G, Wi-Fi, GPS, and Bluetooth—and show you how to maximize their ...

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