Yes, it's the apparent change
in the FREQUENCY of a wave...
The Big Bang Theory Season 1, Episode 6
Without phones or radio FREQUENCY,
with nobody being able to hear us.
Money Heist Season 1, Episode 1
The FREQUENCY with which your parents
The Big Bang Theory Season 2, Episode 15
No technology can inhibit such
a FREQUENCY. We'll talk through here.
Money Heist Season 3, Episode 4
They've installed FREQUENCY inhibitors.
Money Heist Season 1, Episode 6