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Following is all the different WLAN technology in single table. Of course, a lot of details are hidden in the background for you to dig into.
|
Standard
|
Version
|
Freq(Ghz)
|
BW(Mhz)
|
Modulation
|
Constellation(QAM)
|
MIMO Stream
|
Throughput/stream(Mbps)
|
| 802.11 |
|
2.4
|
20
|
DSSS/FHSS
|
-
|
1
|
1,2 |
| 802.11b |
WiFi 1
|
2.4
|
20
|
DSSS
|
-
|
1
|
1, 2, 5.5, 11
|
| 802.11a |
WiFi 2
|
5
|
20
|
OFDM
|
64
|
1
|
6, 9, 12, 18, 24, 36, 48, 54
|
| 802.11g |
WiFi 3
|
2.4
|
20
|
OFDM/DSSS
|
64
|
1
|
6, 9, 12, 18, 24, 36, 48, 54
|
| 802.11n |
WiFi 4
|
2.4/5
|
20
|
OFDM
|
64
|
1
|
7.2, 14.4, 21.7, 28.9, 43.3, 57.8, 65, 72.2
|
|
40
|
2,3,4
|
15, 30, 45, 60, 90, 120, 135, 150
|
| 802.11ac |
WiFi 5
|
5
|
20
|
OFDM
|
256
|
1
|
up to 87.6
|
|
40
|
1,2
|
up to 200
|
|
80
|
1,2,3,8
|
up to 433.3
|
|
160
|
1,2,3,4,8
|
up to 866.7
|
| 802.11ad |
|
2.4/5/60
|
2160
|
OFDM
|
256
|
|
up to 7,000 (7 Gbps)
|
| 802.11ax |
WiFi 6
|
2.4/5
|
20,40,80,160 |
OFDMA
|
1024
|
|
up to 10,000 (10 Gbps) |
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