Wifi 802.11 Standard

802.11 is part of the IEEE 802 set of local area network (LAN) technical standards. 802.11-1997 was the first wireless networking standard in the family.

802.11 Standard
Brand Name
Notable Features
Max Speed over 2.4Ghz
Max Speed over 5Ghz
802.11a
N/A
5GHz only
N/A
54Mbps
802.11b
N/A
2.4GHz only
11Mbps
N/A
802.11g
N/A
2.4GH only
54Mbps
N/A
802.11n
Wi-Fi 4
2.4GHz and 5GHz, MIMO
300Mbps
300Mbps
802.11ac Wave 1
Wi-Fi 5
2.4GHz and 5GHz, MIMO, 3×3 antennae
400Mbps
1.3Gbps
802.11ac Wave 2
Wi-Fi 5
2.4GHz and 5GHz, multi user MIMO, 4×4 antennae
400Mbps
2.3Gbps
802.11ax
Wi-Fi 6
2.4GHz and 5GHz, multi-user MIMO, 8×8 antennae
1.2Gbps
4.8Gbps