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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="content-type"><title>Wi-Fi/WLAN</title></head>
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<body><h1><a name="Wi-FiWLAN"></a>Wi-Fi/WLAN</h1>Wi-Fi, also known as
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Wireless Local Area Network (WLAN) technology provides Internet access
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to mobile devices such as cellphones by connecting them to hotspots
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(Wi-Fi access points).<br><br>Wi-Fi networks have limited range that also varies with the frequency bands. The three popular variants of Wi-Fi are:<br><ul><li><span style="font-weight: bold;">802.11b -</span> Provides a maximum data transfer rate of 11 mbit/s</li><li><span style="font-weight: bold;">802.11g -</span> Provides a maximum data transfer rate of 54 mbit/s</li><li><span style="font-weight: bold;">802.11n -</span> Provides a maximum data transfer rate of 72.2 mbit/s</li></ul>The
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power consumption in a device is higher during Wi-Fi application, which
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has made Bluetooth a more preferred technology amongst users.<br><br>See Also<br><a href="http://en.wikipedia.org/wiki/Wi-Fi">Wi-Fi</a></body></html>
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