International Band Designators
Designation
Meaning
Frequency Range
ELF
extremely low frequency
3 to 30Hz
SLF
superlow frequency
30 to 300Hz
ULF
ultralow frequency
300 to 3,000Hz
VLF
very low frequency
3 to 30kHz
LF
low frequency
30 to 300kHz
MF
medium frequency
300 to 3,000kHz
HF
high frequency
3 to 30MHz
VHF
very high frequency
30 to 300MHz
UHF
ultrahigh frequency
300 to 3,000MHz
SHF
superhigh frequency
3 to 30GHz
EHF
extremely high frequency
30 to 300GHz