One thing that's cool is that Airgradient's designs are super modular. I am on a crusade against micro-USB, so when I made an Airgradient Basic board I just use

One thing that's cool is that Airgradient's designs are super modular. I am on a crusade against micro-USB, so when I made an Airgradient Basic board I just used an ESP board with USB-C instead. If you can get a board with PoE with a similar form factor you might be able to just plop it on. Otherwise you can tweak the PCB and STLs to make it work.