Looks like the Mavic has a hard limit on max distance of right around 58,800ft. Both myself and @Unknown Caller have bumped against this limit and the connection drops immediately and Mavic turns around without delay and starts coming back home. Definitely a limit as @Unknown Caller has industrial grade panels which are good for well over 22 miles.
Will investigate this limit.
Here's a flight I had today. It doesn't count. I had to land it short of home:
Will investigate this limit.
Here's a flight I had today. It doesn't count. I had to land it short of home: