Range Name   

Abbr.

  Frequency Range

  Extremely Low Frequency
ELF
  below 3 kHz

  Very Low Frequency

VLF

  3 kHz - 30 kHz

  Low Frequency

LF

  30 kHz - 300 kHz

  Medium Frequency

MF

  300 kHz - 3 MHz

  High Frequency

HF

  3 MHz - 30 MHz

  Very High Frequency

VHF

  30 MHz - 300 MHz

  Ultra High Frequency

UHF

  300 MHz - 3 GHz

  Super High Frequency

SHF

  3 GHz - 30 GHz

  Extremely High Frequency

EHF

  30 GHz - 300 GHz