What does "high frequency" mean?

The frequency area from 3 MHz through 30 MHz, commonly used for radio broadcasting.

What is a synonym for "high frequency"?

Common synonyms include: audio frequency, cycle, frequency, gigahertz, hf, high pitch.

noun

noun ·Rare ·Advanced level

Noun

1
The frequency area from 3 MHz through 30 MHz, commonly used for radio broadcasting. countable, uncountable
2
a pitch that is perceived as above other pitches wordnet
3
3 to 30 megahertz wordnet