- (radio) The frequency area from 3 MHz through 30 MHz, commonly used for radio broadcasting.
high frequency - Computer Definition
A range of radio frequencies from 3 to 30 MHz. The high-frequency band is used for amateur radio, marine, aviation and military communications and high-frequency RFID tags. With regard to audio, high-frequency waves are typically above 3,000 Hz. See low frequency, VHF, UHF and spectrum. See also high-frequency trading.