| Name | Abbreviation | ITUBand | MinFrequencyInAir | MaxFrequencyInAir | MinPeriodInAir | MaxPeriodInAir | MinWaveLengthInAir | MaxWaveLengthInAir | ExampleUses |
|---|---|---|---|---|---|---|---|---|---|
| Extremely high frequency | EHF | 11 | 30000000000 | 300000000000 | 3.33333333333333E-11 | 3.33333333333333E-12 | 0.00999308193333333 | 0.000999308193333333 | Radio astronomy, high-frequency microwave radio relay, microwave remote sensing, amateur radio, directed-energy weapon, millimeter wave scanner, wireless LAN (802.11ad) |
| Terahertz or Tremendously high frequency | THz | 12 | 300000000000 | 3000000000000 | 3.33333333333333E-12 | 3.33333333333333E-13 | 0.000999308193333333 | 9.99308193333333E-05 | Experimental medical imaging to replace X-rays, ultrafast molecular dynamics, condensed-matter physics, terahertz time-domain spectroscopy, terahertz computing/communications, remote sensing, amateur radio |