Frequencies

Frequency Wavelength Designation Abbreviation2

3 - 30 Hz 10^5km-10^4km Extremely low frequency ELF

30 - 300 Hz 10^4km-10^3km Super low frequency SLF

300 - 3000 Hz 10^3km-100km Ultra low frequency ULF

3 - 30 kHz 100km-10km Very low frequency VLF

30 - 300 kHz 10km-1km Low frequency LF

300 kHz - 3 MHz 1km-100m Medium frequency MF

3 - 30 MHz 100m-10m High frequency HF

30 - 300 MHz 10m-1m Very top frequency VHF

300 MHz - 3 GHz 1m-10cm Ultra top frequency UHF

3 - 30 GHz 10cm-1cm Super top frequency SHF

30 - 300 GHz 1cm-1mm Extremely top frequency EHF