ELF 3 Hz 30 Hz
SLF 30 Hz 300 Hz
ULF 300 Hz 3 kHz
VLF 3 kHz 30 kHz
LF 30 kHz 300 kHz
MF 300 kHz 3 MHz
HF 3 MHz 30 MHz
VHF 30 MHz 300 MHz
UHF 300 MHz 3 GHz
SHF 3 GHz 30 GHz
EHF 30 GHz 300 GHz