Confused about AIO choices for 18650 / 27100 3.5" build

edited slightly now people have helped me pin dowm my needs

I'm designing my own Rekon35-ish frame for fun. I'll run 1s to 3s packs (Li-on / LiPo) depending on how I want to fly.

I fly whoops, so am set up for ELRS / analog video.

I'm terribly confused about AIO board options.

Anything with onboard VTX and ELRS seems to be 1-2s only.

Anything that can take 1 to 3s, seems to need a separate vtx.

The spec I'd need from the AIO would be:

Does anyone have experience with this kind of build?

Any reccomendations?