Why is 802.11 called 802.11?
802 is the number given to a family of IEEE standards that specify Local Area Network (LAN) physical and data link layers. Physical layer standards define operation of the medium used to carry data - for example, an Ethernet cable or a radio channel. Data link layer standards define how bits are framed for transmission over that medium.
Each standard within the 802 family is given a part number:
The 802.11 standard itself has a series of amendments:
The Wi-Fi Alliance tests products that comply with 802.11 standards; products that pass those tests receive the "Wi-Fi" brand.
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