Simplex 4903-9101 Category : Simplex The only difference between this and my other Simplex 4903-9101 is that this strobe is meant to be on the bottom rather than on the top. Brand SimplexModel 4903-9101Manufacturer SimplexType Alarm (Strobe)
Edwards 276B-1320 Category : EST/EdwardsThis is essentially the single-action, non-addressable version of the EST SIGA-278.
Grinnell IXA-RMS Category : GrinnellThis unit was taken off of a TFX-400 system at Brigham Young University.
Silent Knight PS-DATK Category : Silent KnightExactly the same as the Silent Knight PS-SATK, but just with the dual-action feature.
