Hi all. I have a mavic 2 zoom. And a mavic enterprise dual. I mostly fly in remote areas with no cell coversge. I read somewhere that i can fly without coverage but its limited. It said somewhere yhat i have to load maps of the area i will be fluing in before i travel thete. What are rhese maps and where do i get them and must i load them in the city where the internet is good before i travel to the remote no phone signal no internet area. ? Thank you for your time.