This article will introduce in detail the high-altitude return-to-home function of the Autel EVO II drone without GPS--VIO return-to-home technology. What is VIO? How does this technology work? What are the precautions?

Return To Home (RTH) drones are safe and secure, and are quite friendly to drone beginners. If you are not familiar with the RTH capabilities of drones or have any questions, please read this article and we will take you in-depth to understand RTH drones.