What is Wifi? WiFi stands for Wireless Fidelity. It is based on the IEEE 802.11 family of standards and is mainly a local area networking (LAN) technology designed to provide in-building broadband coverage. Nowadays, WiFi has become the de facto standard for last mile broadband connectivity in homes, offices, and public hotspot locations. Systems can typically provide a coverage range of only about 1,000 feet from the access point. Wifi Standards The 802.11 standard is defined through several specifications of WLANs. It defines an over-the-air interface between a wireless client and a base station or between two wireless clients. 802.11b • 802.11b was approved in 1999. • It uses the same 2.4 GHz frequency as the original 802.11 standard. • It supports a maximum theoretical rate of 11 Mbps and has a range up to 150 feet. • 802.11b components are cheap, but the standard has the slowest maximum speed of all the 802.11 standards. • And since 802.11b operates in the 2.4 GHz, home appli...
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