Hitec is proud to offer the full-range Optima SL receiver, specifically designed for flybarless system helicopters. With advanced telemetry capabilities and exceptional security, this receiver utilizes an S-Bus protocol for maximum compatibility, keeping you connected to your model like none other. The Optima SL is designed with a dual-BODA antenna, a supplementary power connection (SPC) and hold and fail-safe function, safeguarding your heli during the most complex and agile maneuvering. Reliability and control are yours with Hitec!