Two. The 15km transmission length can only be attained under the FCC normal when calculated in an outside environment without the need of interference. The SRRC typical is adopted in mainland China, plus the furthest transmission length is 8 km. Mavic 3M with RTK module for centimeter-amount positioning. Flight Handle, https://m3mhomes.com/smart-world-to-invest-rs-30-bn-in-three-housing-projects-in-gurugram/