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Absolute Beginner's Guide to Wi-Fi® Wireless Networking by Harold Davis

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R
radio bands

Contiguous portions of the radio spectrum, for example, the FM band.

radio spectrum

The entire set of radio frequencies.

random access memory (RAM)

Used to temporarily store instructions and information for the microprocessor of a computer or other device.

roaming

The ability to use a Wi-Fi network provider other than your Wi-Fi network provider through your original account.

router

A router is a device that directs traffic between one network and another, for example, between the Internet and your home network.

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