Simplex 2903-9101 Category : Simplex This strobe plate is like my Simplex 2903-9001, except it has a regular strobe inside of the lens instead of a light bulb. Brand SimplexModel 2903-9101Manufacturer UnknownType Alarm (Strobe Plate)
System Sensor SP2R2475 Category : System SensorThis speaker/strobe was around at the same time as the SpectrAlert Classic series.
FCI HEF/STW Category : FCIThis is a multi-tone alarm. Unfortunately, the strobe was DOA, but it is the same as the strobe on the...
