The seismic sensor isn't emitting
any SIGNAL now.
Money Heist Season 3, Episode 8
Hide near Castle Black. When I give
the SIGNAL, hit them in the night.
Game of Thrones Season 3, Episode 3
-We're starting to triangulate the SIGNAL.
-Like a mobile phone?
Money Heist Season 3, Episode 5
The SIGNAL for the attack
will be a bonfire.
Game of Thrones Season 4, Episode 1
And when we give the SIGNAL,
bring us back down.
Game of Thrones Season 4, Episode 9