| Extremely high frequency ✕ | |
|---|---|
| Abbreviation | EHF |
| ITU band | 11 |
| Min frequency in air (Hz) | 30000000000 |
| Max frequency in air (Hz) | 300000000000 |
| Min period in air (s) | 0 |
| Max period in air (s) | 0 |
| Min wave length in air (m) | 0.009993 |
| Max wave length in air (m) | 0.000999 |
| Example of use | Radio astronomy, high-frequency microwave radio relay, microwave remote sensing, amateur radio, directed-energy weapon, millimeter wave scanner, wireless LAN (802.11ad) |