I tested if the parabolic Reflectors or the yagi antennas add more range to the Mavic mini. If you’re looking to get your own here’s a link to each that I recommend

Double Up (FCC 5.8GHz) ! https://amzn.to/3mTO6sg

Yagis (FCC 5.8ghz): https://amzn.to/3zG61KW

Parabolic Reflectors: https://amzn.to/3zL6N9v