2. The 15km Transmission length can only be achieved under the FCC standard when measured in an outside ecosystem without interference. The SRRC regular is adopted in mainland China, as well as furthest transmission distance is eight km. Mavic 3M with RTK module for centimeter-stage positioning. Flight Manage, the digicam, https://m3mhomes.com/dwarka-expressway-project-will-be-completed-soon-gadkari/