Hi@user_2771229,
The following tables lists the differences between 802.11a/b/g/n/ac standards in frequency band, compatibility, theoretical rate, and actual rate.
| Protocol | Frequency Band | Compatibility | Theoretical Rate |
|---|
| 802.11a | 5 GHz | NA | 54 Mbit/s |
| 802.11b | 2.4 GHz | NA | 11 Mbit/s |
| 802.11g | 2.4 GHz | Compatible with 802.11b | 54 Mbit/s |
| 802.11n | 2.4 GHz, 5 GHz | Compatible with 802.11a/b/g | 450 Mbit/s |
| 802.11ac | 5 GHz | Compatible with 802.11a/n | 1300 Mbit/s |
| 802.11ac wave2 | 5 GHz | Compatible with 802.11a/n/ac | 3470 Mbit/s |
Hope to help you.