2. The 15km transmission distance can only be achieved underneath the FCC regular when measured in an out of doors environment with no interference. The SRRC typical is adopted in mainland China, plus the furthest transmission distance is 8 km. Mavic 3M with RTK module for centimeter-degree positioning. Flight Command, https://m3mhomes.com/discover-thrilling-offerings-with-m3m-winter-thrills/