System Sensor PA400B+PS24LO The horn’s model is PA400B, the strobe’s model is PS24LO. Brand System Sensor
Grinnell IXA-RMS Category : GrinnellThis unit was taken off of a TFX-400 system at Brigham Young University.
Simplex 2098-9806 Category : SimplexThis device is a permanent fixture in my Simplex 4004 wall system.
