Ubiquity Unifi.
You should also mention that it's not just about the cameras, but that you also need the Unifi Protect infrastructure.
Where are the recordings stored?
And how can you hide an area?
On a suitable recorder (NVR). Either from the manufacturer of the cameras, if the whole thing can or should remain an isolated system, or (better) on a NAS. Synology devices with the Surveillance Station software work excellently here and that's also where the hiding of zones takes place. Recording on some kind of memory cards in the cameras is really bad.
Wi-Fi is just not good, but if planning wasn't careful, it has to do. Do you at least have a socket in the wall there or are the cables just hanging out?
Have you checked whether you have proper Wi-Fi performance at those outdoor locations at all?