Wheelock MT-24-WM-VFR This is an outdoor MT. Brand WheelockModel MT-24-WM-VFRManufacturer WheelockType Alarm (Horn/Strobe)
Simplex 4903-9417 Category : SimplexThis is a SmartSync TrueAlert which I am able to use with my Simplex 4010.
Gaylord NC-1357A Category : GaylordThis is a rebranded EST/Edwards 270-SPO for use in some sort of ventilator system.