Radio Frequency
This page is the CodyCross answer for the clue below from Culinary School, Group 2211, Puzzle 2 (Garnish Prepping).
Question is: Radio Frequency
and the answer is: LONGWAVE
Word Meaning:
LONG WAVE — a radio wave of over 1 kilometre in length, having a frequency less than 300 kHz.
Definitions from Wiktionary.