The 3DR Telemetry Radios provide an air-to-ground data link between the autopilot and your ground station laptop or tablet. This guide will show you how to to install the radios on your plane, copter, or rover. The Telemetry Kit arrives ready to use. Just mount and connect to view real-time data from your drone. This telemetry kit is compatible with the ardupilot platform, as well as the PX4/Pixhawk system.