Haven't heard about this issue? Is it bad?
I'll put it like this ...... It's the main reason why so many complain about intel modems and hope Apple goes Qualcomm (even in MR forum). Signal issues have been an issue with iPhones for awhile. But the Pro Max is the worst I've experienced. I also have an 8+ which has slight issues, but not even close to being as bad as the Pro Max.