Frequency Band Reference
ELF (Extremely Low Freq)3 - 30 Hz
SLF (Super Low Freq)30 - 300 Hz
ULF (Ultra Low Freq)300 - 3000 Hz
VLF (Very Low Freq)3000 - 30000 Hz
LF (Low Freq / Long Wave)30000 - 300000 Hz
MF (Medium Freq / AM Radio)300000 - 3000000 Hz
HF (High Freq / Short Wave)3000000 - 30000000 Hz
VHF (Very High Freq / FM)30000000 - 300000000 Hz
UHF (Ultra High Freq / TV)300000000 - 3000000000 Hz
SHF (Super High Freq / Microwave)3000000000 - 30000000000 Hz
EHF (Extremely High Freq / mmWave)30000000000 - 300000000000 Hz
Infrared300000000000 - 430000000000000 Hz
Visible Light430000000000000 - 750000000000000 Hz
Ultraviolet750000000000000 - 3.0000e+16 Hz
X-Ray3.0000e+16 - 3.0000e+19 Hz
Gamma Rays3.0000e+19 - 3.0000e+24 Hz