Wifi Frequencies used in Wireless Fidelity (Wi-Fi) are controlled by International Treaties, but the IEEE 802.1 Working Group defines the following frequencies:
| IEEE 802.11 variant | Frequency bands used |
|---|---|
| 802.11a | 5GHz |
| 802.11b | 2.4GHz |
| 802.11g | 2.4GHz |
| 802.11n | 2.4 & 5 GHz |
| 802.11ac | Below 6GHz |
| 802.11ad | Up to 60 GHz |
| 802.11af | TV white space (below 1 GHz) |
| 802.11ah | 700 MHz, 860MHz, 902 MHz, etc. ISM bands dependent upon country and allocations |