I am using the Pi with the PiGate & and PiGate RMS software packages and the Pi-TNC/PI-TNC9K6 hats. Good TNC for the PI.
I just started working with the NWDR DRAWS hat. This is also a good hat for the Pi. It is a new item on the market and the issues
all seem to be software related (ie getting the settings right for each radio). It does require a DRAWS only version of the Pi OS but that is not a real problem - just stating a fact of the operational requirements.
73s, Ed, KD9FRQ "Freq" Radio