IEEE 802.11 - Wikipedia
https://en.wikipedia.org/wiki/IEEE_802.11
IEEE 802.11 is part of the IEEE 802 set of local area network (LAN) technical standards, and specifies the set of medium access control (MAC) and physical layer (PHY)...
IEEE 802.11-2016 - IEEE Standard for Information technology...
https://standards.ieee.org/standard/802_11-2016.html
Technical corrections and clarifications to IEEE Std 802.11 for wireless local area networks (WLANs) as well as enhancements to the existing medium access control (MAC) and physical layer (PHY)...