To fly your quadcopter securely it's important to have a robust GPS signal, which is why dual satellite systems would be the best. A 2015 experiment in Austin, Texas, showed one way to Merge drones and IoT. A stability tech company teamed with a drone startup to hunt for Zigbee https://knoxrbjnk.qodsblog.com/28197722/the-smart-trick-of-wildlife-drones-that-no-one-is-discussing