List of civil defense sirens
# List of civil defense sirens

This is a list of civil defense sirens.

## Alerting Communicators of America (ACA) sirens

* ACA Allertor
* ACA Cyclone
* ACA Hurricane

## ATI sirens

* ATI HPSS

## Federal Signal sirens

* Thunderbolt (siren)
* Federal Signal 3T22 / 2T22
* Federal Signal Model 2
* Federal Signal Modulator
* Federal Signal STH-10

## Other

* Chrysler Air-Raid Siren
* Sentry Siren
* SiraTone
