| Version | Release Time | Maximum Data Rate | Frequency Band (GHz) | Bandwidth (MHz) | Modulation |
| 802.11-base version | Jun. 1997 | 2 Mbps | 2.4 | 20 | BPSK, QPSK DSSS, FHSS |
| 802.11b | Sep. 1999 | 11 Mbps | 2.4 | 20 | BPSK, QPSK DSSS (CCK) |
| 802.11a | Sep. 1999 | 54 Mbps | 5 | 20 | BPSK, QPSK, 16-QAM, 64-QAM OFDM |
| 802.11g | Jun. 2003 | 54 Mbps | 2.4 | 20 | BPSK, QPSK, 16-QAM, 64-QAM OFDM, DSSS |
| 802.11n | Oct. 2009 | 600 Mbps | 2.4 & 5 | 20, 40 | BPSK, QPSK, 16-QAM, 64-QAM OFDM, MIMO |
| 802.11ac | Dec. 2013 | 6.933 Gbps | 2.4 & 5 | 20, 40, 80, 160 | BPSK, QPSK, 16-QAM, 64-QAM, 256-QAM OFDM, MIMO, MU-MIMO |
| 802.11ax | Approx. 2019 | >10 Gbps | <6 | ---- | BPSK, QPSK, 16-QAM, 64-QAM, 256-QAM, 1024-QAM, OFDM, MIMO, MU-MIMO, OFDMA |
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