
...this will register it
and send a SIGNAL to the laptop.
The Big Bang Theory Season 1, Episode 11

Study this SIGNAL exclusively.
Only this one.
Money Heist Season 3, Episode 5

How will we see your SIGNAL?
Game of Thrones Season 3, Episode 3

All I need to do is give a SIGNAL,
and they'll rescue me.
Game of Thrones Season 5, Episode 7

I'm doing some experiments
to show that the SIGNAL to move a muscle
The Big Bang Theory Season 10, Episode 19