The high school I work at has these as the exterior alarms. The alarms they have inside the school are Simplex TrueAlert speaker/strobes.
That is a Wheelock ET-1010-R vandal-resistant speaker, which seems to be popular for outdoor applications (considering it’s vandal-resistant & its design it’s no wonder I’d say: it certainly looks like it could take a lifetime of abuse from the elements & still work).
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A vandal resistant wheelock remote speaker
Schools in my area seem to like Wheelock alarms as outdoor alarms and Simplex alarms as indoor alarms. The previous school I worked at had Simplex TrueAlert horn/strobes inside and Wheelock MTs with horizontal strobes outside.
From what I’ve seen Simplex commonly uses Wheelock signals on their systems as the outdoor alarms (even though Simplex has made weatherproof TrueAlerts for some time now), & sometimes even as the alarms all throughout the system including indoors!
I don’t think there are any weatherproof TrueAlert remote horns, speakers, or speaker strobes, although there are weatherproof TrueAlert ES versions of some of these. The weatherproof strobes and horn strobes did not seem to appear until the multi-candela era, so the MTWP strobes may have been from before that point.
These Wheelock devices are also listed on the 2021 Simplex catalog. It looks like at some point, Simplex stopped assigning their own model numbers to the Wheelock devices. It is also weird that Simplex continues to advertise these devices, even though they are probably incompatible with the Simplex sync protocols.
Here is another outdoor alarm at the school. This one has a silver thing over it presumably to protect it from weather.
Looks like another ET-1010-R, at least from a distance.
Clever idea putting a “hood” over that speaker to help protect it (even if it’s still faded from sun exposure).
The speaker opposite the ET-1010-R isn’t for an intercom system is it?
The white speaker is a PA speaker. It is for the intercom system.
Here is a strange PA speaker at the school in the cafeteria manager’s office. It is located on the floor. I have heard PA announcements and bells on that speaker.
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That’s the strangest spot for a PA/Intercom speaker to be wired up like that. Someone might even rip that off the wire.
Wouldn’t surprise me if it was once mounted on the wall but someone then took it down & set it there for some reason.
I’m pretty sure the call button on that intercom has rarely if ever been used. There’s a phone in the manager’s office, so if the front office is needed the cafeteria manager would probably call them on the phone rather than the intercom.
Funny how that PA speaker looks a lot like one of those super-rare Notifier Emhart fire alarm speakers.
That’s an Edwards 280-series mechanical heat detector (some of which were recalled some years back).
Not entirely sure they’re rated for outdoor usage, but yeah, it seems to be in an outdoor area.