Ionizing radiation Regulated By AEC-
Atomic Energy Commission
γ Gamma rays
300 EHz 1 pm 1.24 MeV
30 EHz 10 pm 124 keV
HX Hard X-rays
3 EHz 100 pm 12.4 keV
SX Soft X-rays
300 PHz 1 nm 1.24 keV
EUV Extreme-ultraviolet
30 PHz 10 nm 124 eV
NUV Near-ultraviolet
3 PHz 100 nm 12.4 eV
Non-Ionizing Radiation
Visible 300 THz 1 μm 1.24 eV
NIR Near infrared
30 THz 10 μm 124 meV
MIR Mid infrared
3 THz 100 μm 12.4 meV
FIR Far infrared
300 GHz 1 mm 1.24 meV
Microwaves and radio-waves Regulated By FCC:
The Federal Communications Commission
EHF Extremely high frequency
30 GHz 1 cm 124 μeV
SHF Super high frequency
3 GHz 1 dm 12.4 μeV
UHF Ultra high frequency
300 MHz 1 m 1.24 μeV
VHF Very high frequency
30 MHz 10 m 124 neV
HF High frequency
3 MHz 100 m 12.4 neV
MF Medium frequency
300 kHz 1 km 1.24 neV
LF Low frequency
30 kHz 10 km 124 peV
VLF Very low frequency
3 kHz 100 km 12.4 peV
ULF Ultra low frequency
300 Hz 1 Mm 1.24 peV
SLF Super low frequency
30 Hz 10 Mm 124 feV
ELF Extremely low frequency
3 Hz 100 Mm 12.4 feV
Sub-radio-waves Powerline & natural NOT REGULATED
ULF Ultra low frequency
<3Hz >100Mn <12.4 fev