As to compatibility, the RC Pro can be difficult to pair or link sometimes and is currently limited to only the Mavic 3 and the Air 2S. Below you will find the method to use for pairing or linking your aircraft to the RC Pro controller.
How do I install the Dronelink app on RC Pro, RC Enterprise Pro, RC Plus? Step-by-step instructions. – Dronelink
A Beginner's Guide to DJI Mavic 3 Classic
DJI Mini 4 Pro Drone Fly More Combo with RC 2 Controller
DJI Mavic 3 Pro Fly More Combo with RC Pro Controller
How to use the new DJI RC Pro with Mavic 3 – heliguy™
A Beginner's Guide to DJI Mavic 3 Pro
DJI Air 3 Fly More Combo (DJI RC-N2)
DJI Mini 4 Pro Drone Fly More Combo With RC2 Controller – DJI Official Retail UK
Drone DJI Mini 3 Fly More Combo (DJI RC-N1) - ModelForce