Hitec is proud to offer the all new Optima-D receiver, specifically designed for racing multirotors. With voltage telemetry capabilities, user selectable S-Bus or PPM output, and maximum connection security, this receiver will keep you connected to your model like none other. The Optima D is designed with a dual-redundant antenna set, a hold and fail-safe function, and RSSI signal out, safeguarding your racing drone during the most intense racing heats. Reliability and control are yours with Hitec!