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

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Appendix A. Wireless Standards

In this chapter

Wi-Fi is a certified version of variants of the 802.11 wireless standards developed by the IEEE (www.ieee.org). Wi-Fi equipment is certified by the Wi-Fi Alliance (www.wi-fi.org) for compatibility and standards compliance.

The 802.11 wireless standards, also called protocols, are designed to use the so-called free spectrums, which do not require specific licensing. The spectrums currently used by 802.11 are 2.4GHz and 5GHz. (The 2.4Ghz spectrum is also used by household appliances such as microwaves.)

You don't need to know or give a fig about wireless standards or 802.11 to happily use wireless networking on the road or in your home network. ...

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