I Linked my P4 to my Inspire 1 RC that I was using as a slave. Everything worked ok even the HDMI I was able to use my Zeiss Cinemizer with the P4. Also the Inspire controller has a DBS mod on it but I didn't get a chance to test if for range. I am just going to keep that RC set up for longer range or better feedback, than I can link to my Inspire 1, PH3P and now my PH4 with it and have longer range and HDMI output. It only takes a few seconds to link controllers to aircraft.