The price on the .ca version of amazon is more expensive. This it it for like half the price on US site.
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And it does come in a 12 (wallmount) and a 15 (wall or rollers)
This one looks similar to OP's but not exactly the same.
https://smile.amazon.com/NavePoint-Network-Server-Cabinet-Enclosure/dp/B01FKOW8VO
Run the best bang for the buck CATx (probably CAT6) wire everywhere. Even to places you don't think you'll need it. It's cheap enough and definitely easy enough to do during construction. You don't need to terminate it all. You can leave it spooled in the walls. As long as you have labeled/documented where it all is. Have it all home run back to a single location. I don't have experience with shared spaces like a multi-family, but my initial thought without having seen your plans is to have every run go back to the basement preferably where each tenant has access. Have separate enclosed cabinets for each unit. In the event it becomes a single family somewhere down the road, it's easy enough to merge everything together, but not so much if you have a separate home run for each unit. Potentially even a third cabinet for the building itself.
Some places to run wire to where you may not necessarily think about.
- Ceiling. Great place for WiFi access points. Out of the way. Looks like a smoke detector. No wires.
- Entry doorframes for smart door bells
- Above entry doors for security cameras
- Exterior vantage points. Not too high, otherwise you lose detail. These are for security cameras. Still consult a security expert for best angles and viewpoints.
In rural areas you can usually get by with fewer WiFi access points. There's less RF interference. In the city, there's more interference so you need YOUR signal to be as clean as possible. If your device needs to communicate through a couple walls AND compete with all the other RF nonsense flying around, your connection will not be as fast or stable. If your device just needs to talk to the device in the ceiling in the room you're in, it'll be crisp. The more access points with lower radio power is ideal in a noisy environment.
I'm local(ish) to you, so if you want to bounce questions or thoughts feel free to DM.