AKA IEEE 802.11 standards and specifications
Resources
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Wikipedia - IEEE 802.11
Wireless Standards and Specifications
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| Specification |
802.11a |
802.11b |
802.11g |
802.11n |
802.11ac |
802.11ax |
| Frequency |
5 GHz |
2.4 GHz |
2.4 GHz |
2.4 GHz or 5 GHz |
5 GHz |
2.4 GHz or 5 GHz |
| Maximum speed |
54 Mbps |
11 Mbps |
54 Mbps |
600 Mbps |
1.3 Gbps |
9.6 Gbps |
| Maximum distance |
100 ft |
150 ft |
150 ft |
300 ft |
150 ft |
150 ft |
| Channels (non-overlapped) |
24 (24) |
11 (3) |
11 (3) |
2.4 GHz: 11 (3 or 1), 5 GHz: 23 (12 or 6) |
Depends on configuration |
Depends on configuration |
| Modulation technique |
OFDM |
DSSS, CCK, DQPSK, DBPSK |
DSSS (and others) at lower data rates, OFDM, QPSK, BPSK at higher rates |
OFDM (and other, depending on implementation) |
OFDM |
OFDMA |
| Backwards compatibility |
N/A |
none |
802.11b |
802.11a/b/g, depending on implementation |
802.11b/g/n |
802.11a/b/g/n/ac |
Alternate table:
#
| Standard |
Frequencies |
Maximum MIMO streams |
Maximum theoretical throughput (per stream) |
Maximum theoretical throughput (total) |
| 802.11a |
5 GHz |
N/A |
54 Mbps |
54 Mbps |
| 802.11b |
2.4 GHz |
N/A |
11 Mbps |
11 Mbps |
| 802.11g |
2.4 GHz |
N/A |
54 Mbps |
54 Mbps |
| 802.11n |
5 GHz / 2.4 GHz |
4 x MIMO |
150 Mbps |
600 Mbps |
| 802.11ac |
5 GHz |
8 x DL MU-MIMO |
867 Mbps |
6.9 Gbps |
| 802.11ax |
5 GHz / 2.4 GHz |
8 x DL and UL MU-MIMO |
1,201 Mbps |
9.6 Gbps |