| Frequency | Band Number | Classification | Abbreviation | Applications |
|---|---|---|---|---|
| 3 Hz - 30 Hz | 1 | Extremely low frequencies | ELF | Submarine communications |
| 30 Hz - 300 Hz | 2 | Super low frequencies | ELF | Submarine communications |
| 300 Hz - 3 kHz | 3 | Ultralow frequencies | ULF | Submarine communications; mine communications |
| 3 kHz - 30 KHz | 4 | Very low frequencies | VLF | Navigation; time signals |
| 30 kHz - 300 KHz | 5 | Low frequencies | LF | Navigation; time signals; RFID |
| 300 kHz - 3 MHz | 6 | Medium frequencies | MF | AM radio; amateur radio |
| 3 MHz - 30 MHz | 7 | High frequencies | HF | Aviation communications; shortwave; marine telephony; amateur radio |
| 30 MHz - 300 MHz | 8 | Very high frequencies | VHF | FM radio; weather radio; TV broadcasts; aviation communications; amateur radio |
| 300 MHz - 3 GHz | 9 | Ultrahigh frequencies | UHF | TV broadcasts; mobile phones; two-way radio; amateur radio |
| 3 GHz - 30 GHz | 10 | Super high frequencies | SHF | Microwave communications; radar; communications satellites; amateur radio |
| 30 GHz - 300 GHz | 11 | Extremely high frequencies | EHF | Radio astronomy; amateur radio |
| 300 GHz - 3 THz | 12 | Tremendously high frequencies | THF | Amateur radio |