
the analogue COMMUNICATION system
to talk to the Professor.
Money Heist Season 1, Episode 1

There are frequency inhibitors.
We're losing COMMUNICATION.
Money Heist Season 1, Episode 6

as the basis for
a COMMUNICATION system.
The Big Bang Theory Season 11, Episode 8

...on the on board COMMUNICATION chip.
The Big Bang Theory Season 8, Episode 22

Yes, but the COMMUNICATION
is not encrypted.
The Big Bang Theory Season 2, Episode 6