Template:Air Raid Sirens Wiki/Selected picture/2: Difference between revisions
Jump to navigation
Jump to search
(Creating page) |
m (Ryan moved page Template:Main Page/Selected picture/2 to Template:Air Raid Sirens Wiki/Selected picture/2) |
(No difference)
| |
Latest revision as of 09:14, 31 July 2018
The Modulator II is a family of omnidirectional sirens produced by Federal Signal Corporation. The seven models can produce 106 to 124 dBc at 100 feet.