IEEE 802.11 is a set of standards for implementing wireless local area network (WLAN) computer communication in the 2.4, 3.6 and 5 GHz frequency bands. They are created and maintained by the IEEE LAN/MAN Standards Committee (IEEE 802). The base version of the standard IEEE 802.11-2012 has had subsequent amendments. These standards provide the basis for wireless network products using the Wi-Fi brand.
Read more about IEEE 802.11: General Description, History, Protocols, Channels and International Compatibility, Frames, Standard and Amendments, Nomenclature, Community Networks, Security, Non-standard 802.11 Extensions and Equipment