Discussed here
https://discuss.ardupilot.org/t/binding-to-other-transmitters/22294/27?u=lordneeko
The recommendation is a Taranis Q X7. The OrangeRx I mentioned in this thread will work with the SV, but not everything. The advantage of the Taranis is the modularity.btw, I’ve yet to buy one, but all those folks say it works with the SV and recommends it.