Two. The 15km transmission distance can only be achieved beneath the FCC standard when calculated in an outdoor setting with out interference. The SRRC typical is adopted in mainland China, as well as the furthest transmission length is 8 km. Mavic 3M with RTK module for centimeter-amount positioning. Flight Handle, https://m3mhomes.com/residential/m3m-golf-hills-sector-79-gurgaon/