Two. The 15km transmission distance can only be reached under the FCC normal when measured in an outdoor atmosphere without interference. The SRRC regular is adopted in mainland China, and also the furthest transmission length is 8 km. Mavic 3M with RTK module for centimeter-stage positioning. Flight Handle, the camera, https://m3mhomes.com/residential/m3m-floors-sector-9-manesar-gurgaon/