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01. What is Wi-Fi

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01. What is Wi-Fi

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Wi-Fi is the the use of Radio Waves to transmit information, and create a network.  Wi-Fi uses frequencies at 2.4, 3.6, and GHz.


This link http://www.jneuhaus.com/fccindex/spectrum.html has information about specific uses of frequencies.



Spectrum picture


./small bit spec.jpg

Microwave ovens use some of the same frequencies.  There are some other thing that use this frequency, but I believe they are not common. (NSA Lighting)



Wikipedia  Wi-Fi Article

http://en.wikipedia.org/wiki/IEEE_802.11


Wi-Fi Interferance

http://searchmobilecomputing.techtarget.com/generic/0,295582,sid40_gci1162230,00.html



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U.S. Spectrum Allocation Chart
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Accessed 396 times.This page was last modified 06:31, 25 Jul 2009



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