Hi @BennetEown, I had been looking at exactly the same issue as you have, and have tested just about every combination of RC and telemetry. I do have and tested Herelink, R9M (Interfered with SIK Radios), Crossfire, RFD, etc. My conclusion is that the RFD900x at this time is my best option. If you are testing on the ground and looking at surfaces move, you will notice some lag in the response in the control surfaces, but this is not an issue in flight for controlling at least a fixed-wing at all. It was hard to figure out how to get everything working, and when I did, I wrote a post about it to share and document for my own purposes as well. Here it is for your reference. Combined RC and Telemetry on a single link (TXMod v2, RFD 900x, TX16S, GCS, Matek H743)
Enjoy and good luck, let me know if you have specific questions I’ll do my best to adress them.