Two. The 15km transmission distance can only be reached beneath the FCC conventional when calculated in an outdoor ecosystem without interference. The SRRC conventional is adopted in mainland China, along with the furthest transmission distance is 8 km. Mavic 3M with RTK module for centimeter-stage positioning. Flight Handle, the digicam, https://m3mhomes.com/luxury-living-at-m3m-st-andrews-at-scda-sector-113-gurgaon/