Two. The 15km transmission distance can only be obtained beneath the FCC conventional when calculated in an outdoor natural environment with no interference. The SRRC standard is adopted in mainland China, plus the furthest transmission distance is 8 km. Mavic 3M with RTK module for centimeter-amount positioning. Flight control, the https://m3mhomes.com/residential/m3m-city-of-dreams-sector-36-panipat/