Antenna trackers and swarming

I’m looking to get a antenna tracker going and swarming not necessarily at the same time …however I need to know what components to be looking out for to purchase for either one…
I’ve done the thing with Mission planner Follow the Leader … however matter with the 2003 radios plug up into the USB hub that’s plug into your laptop what version of the USB hub do I need 2.0 3.0 4.0 Etc? Just the basic components and if you have links to them that would be great thank you…