What is IEEE 802.11
Definition: 802.11 is the generic name of a family of standards for wireless networking related to Wi-Fi. The numbering system for 802.11 comes from the IEEE, who uses "802" to designate many computer networking standards.
802.11 standards define rules for communication on wireless local area networks (WLANs). Popular 802.11 standards include 802.11a, 802.11g, and 802.11n.