Simplex 4903-9417 This is a SmartSync TrueAlert which I am able to use with my Simplex 4010. Brand SimplexModel 4903-9417Manufacturer SimplexType Alarm (Horn/Strobe)
Radionics D571S Category : OtherI always associate these re-branded Wheelock AS’s with Walmart. I’m sure others out there can also understand.
Gaylord NC-1357A Category : GaylordI like this unit so much in part because there’s no branding on the front.