Wheelock STR Category : Wheelock This is from the Exceeder series. It looks like it could be a horn/strobe but is just a remote strobe. Brand WheelockModel STRManufacturer WheelockType Alarm (Strobe)
Space Age AV32+2DCD Category : Space Age ElectronicsThat is an electromechanical horn on the rear of the strobe plate.
Simplex 4901-9811 Category : SimplexThis particular alarm is actually capable of doing three different tones.
Simplex 477-669 Category : SimplexOddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Simplex devices.
