No privacy with closed source software. Can you prove it's not phoning home?
I use and strongly recommend Ubiquiti as a self-hosted on-prem video doorbell (and more generally, surveillance) system. PoE or WiFi.
https://store.ui.com/us/en/category/cameras-doorbells
Discussion
We live in reality. Not everything is Foss. You do the best you can with what’s available
OpenWRT routers and Frigate CCTV software are both FOSS. I live in a free, private reality. You?
Congrats on achieving peak privacy by open-sourcing the 1 percent of the stack you can actually see while trusting the other 99 percent you can’t. I’m sure the chip firmware and binary blobs appreciate your faith