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

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10BASE-T Ethernet

Standard for wired networks that use phone-like plugs.

3G

A catch-all term used to refer to a proprietary high-speed wireless network using spectrums leased by telecommunications carriers that is proposed and/or has partially been developed.

802.11

The general standard for wireless networking, defined by the IEEE.

802.11a

A relatively new version of the 802.11 wireless standard that is faster than 802.11b (it runs at speeds up to 20 Mbps) and uses the 5GHz spectrum. 802.11a is not backward-compatible with 802.11b, the predominant “flavor” of Wi-Fi.

802.11b

Predominant current flavor of 802.11 wireless networking, or Wi-Fi. 802.11b uses the 2.4GHz spectrum and has a theoretical speed of 11 Mbps.

802.11g

A version of the 802.11 ...

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