Signa is located in Italy (Province of Florence, Tuscany) and time zone Europe/Rome.
Places nearby are Lastra a Signa, San Donnino and Campi Bisenzio.
Genoa is 185 km away, Rome is 238 km away and Milan is 239 km away as the crow flies.
Distances from Signa to the most important cities in Italy and the world.
43.7942000°
11.1036000°
Intelligence-gathering by interception of signals
https://en.wikipedia.org/wiki/Signals_intelligencePrivacy-focused encrypted messaging app
https://en.wikipedia.org/wiki/Signal_(messaging_app)Cascade of intracellular and molecular events for transmission/amplification of signals
https://en.wikipedia.org/wiki/Signal_transduction