|Company||Federal Signal Corporation|
|Sound output||102/100 dBc at 100 feet|
The Model 2 is an omnidirectional siren produced by Federal Signal Corporation. It holds the record for the longest production run of any siren. This siren has a rating of 102 decibels at 100 feet. There was also a coded version produced in limited quantities. Although the Fedelcode name was used on many examples, most did not actually contain a coding mechanism. There was also a version called the 2T which had a rating of 100 decibels at 100 feet.