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 |