The 20km mapping distance is tested under ideal conditions of no obstruction and no interference. In actual use, the transmission distance will be affected by terrain, building obstruction and electromagnetic interference. However, our mapping system adopts advanced anti-interference technology, which can reduce the influence of these factors to a certain extent. As long as it is used in an open area and avoids excessive obstruction and interference, it is usually possible to achieve a longer transmission distance. Moreover, even when the mapping distance is limited, you can still obtain the UAV’s flight status and part of the operation data through the real-time data transmission function of the ground station to ensure the smooth operation.