Two. The 15km transmission distance can only be reached under the FCC common when calculated in an outdoor natural environment with out interference. The SRRC typical is adopted in mainland China, and also the furthest transmission length is eight km. Mavic 3M with RTK module for centimeter-amount positioning. Flight control, https://m3mhomes.com/smartworld-awards-rs-532-cr-contract-to-varindera-for-gurugram-project/