Next photon: ultraviolet Up: photon Previous photon: optical
  |
| radio comparison table |
| Subject |
has use |
has frequency |
has wavelength |
|---|
| ELF band | | 300 Hz to 3 kHz | 100 km to 1000 km |
| HF band | | 3 to 30 MHz | 10 to 100 m |
| LF band | | 30 to 300 kHz | 1 to 10 km |
| MF band | | 300 kHz to 3 MHz | 100 m to 1 km |
| UHF band | | 300 MHz to 3 GHz | 10 cm to 1 m |
| ULF band | | 30 Hz or less | 10000 km and higher |
| VF band | submarine communication | 30 to 300 Hz | 1000 to 10000 km |
| VHF band | | 30 to 300 MHz | 1 to 10 m |
| VLF band | | 3 to 30 kHz | 10 to 100 km |
Next photon: ultraviolet Up: photon Previous photon: optical