2. The 15km transmission distance can only be accomplished underneath the FCC common when measured in an outside surroundings without the need of interference. The SRRC conventional is adopted in mainland China, plus the furthest transmission distance is eight km. Mavic 3M with RTK module for centimeter-level positioning. Flight Handle, https://m3mhomes.com/discover-thrilling-offerings-with-m3m-winter-thrills/