1
802.11b
Year introduced
1999
First
2
802.11b
Max Speed
11 Mbps
3
802.11b
Frequency
2.4 GHz
First
4
802.11a
Year Introduced
1999
Second
5
802.11a
Max Speed
54 Mbps
First
6
802.11a
Frequency
5 GHz
First
7
802.11g
Year Introduced
2003
8
802.11g
Max Speed
54 Mbps
Second
9
802.11g
Frequency
2.4 GHz
Second
10
802.11n
Year Introduced
2009
11
802.11n
Max Speed
300-600 Mbps
12
802.11n
Frequency
2.4 & 5 Ghz
13
802.11ac
Year Introduced
2013
14
802.11ac
Max Speed
1300-6933 Mbps
15
802.11ac
Frequency
5 GHz
Second
16
802.11ax
Year Introduced
2019
17
802.11ax
Max Speed
Up to 9 Gbps
18
802.11ax
Frequency
2.4 GHz & 5 GHz & 6 GHz
19
802.11b
Generation
WiFi 1
20
802.11a
Generation
WiFi 2
21
802.11g
Generation
WiFi 3
22
802.11n
Generation
WiFi 4
23
802.11ac
Generation
WiFi 5
24
802.11ax
Generation
WiFi 6