2. The 15km Transmission distance can only be realized beneath the FCC normal when measured in an outdoor atmosphere with no interference. The SRRC common is adopted in mainland China, plus the furthest transmission length is 8 km. Mavic 3M with RTK module for centimeter-stage positioning. Flight control, the camera, https://m3mhomes.com/commercial/m3m-paragon-57-sector-57-gurgaon/