Pyrotronics HSD-24F Category : Cerberus Pyrotronics This could be considered a somewhat rare alarm. Brand Cerberus PyrotronicsModel HSD-24FManufacturer WheelockType Alarm (Horn/Strobe)
Simplex 4098-9830 Category : SimplexThe LED on this unit uses 14VDC rather than the 24VDC used by the Simplex 2098-9806.
Fire-Lite Miniscan 112 Category : Fire-LiteAs the model number indicates, this panel puts out 12 VDC.
Faraday 6234-E Category : FaradayI believe the “E” appendage on the end of the model number means it is a sync-strobe.