Amateur Radio Is the Private Use of Radio __

This page is the CodyCross answer for the clue below from Ancient Egypt, Group 190, Puzzle 4 (Mediterranean Sea).

Question is: Amateur Radio Is the Private Use of Radio __

and the answer is: FREQUENCY

Word Meaning:

FREQUENCY — (uncountable or countable) The rate of occurrence of anything; the relationship between incidence and time period.

Definitions from Wiktionary.