I just started playing with the HackRF (https://greatscottgadgets.com/hackrf/ https://greatscottgadgets.com/hackrf/). The inventor has a bunch of great video tu

I just started playing with the HackRF (https://greatscottgadgets.com/hackrf/ https://greatscottgadgets.com/hackrf/). The inventor has a bunch of great video tutorials to walk you through all the tools and how they work, starting with analog and then focusing on digital. You can use OSX, Linux, etc. with the tutorials.