Receiver for Generic Remote?

New to the community, and I’ve foolishly decided it was a better idea to build a board instead of buying one. Eh, the challenge seems like it’ll pay off in the end. I’ve hit a roadblock I haven’t been able to research my way through, though. I purchased a generic remote off eBay and it didn’t come with a receiver. From what I’ve been reading, you need a compatible receiver and can’t just buy any old cheap one… the seller has no clue about this so I have no idea where to find a suitable receiver. For reference, I bought one of these:

Anybody out there have any experience/advice? It almost looks like a flysky remote, I think, but the buttons are different.

These remotes are only for esc and not vesc they connect automatically to esc

Here is thread about it