The SPMAS6000 Synapse AS3X+ & SAFE Stabilization Module is a standalone gyro/stabilization unit from Spektrum that adds AS3X+ and SAFE technology to aircraft that don't have it built into their receiver. If you've got a plane you love but it flies a bit ragged in wind or you want envelope protection, this module can transform the experience.AS3X+ counters in-flight disturbances from wind and turbulence automatically — the plane just feels smoother and more locked-in. SAFE adds programmable flight envelope limits so the aircraft won't flip or over-pitch beyond your set limits. Both features are tunable via the Spektrum app or AirWare-compatible transmitter.Key Specs: Stabilization: AS3X+ (3-axis) Envelope Protection: SAFE (programmable) Interface: Compatible with Spektrum DSMX receivers Weight: Very light (designed for park flyers and sport planes) We stock the Synapse module for pilots who want to retrofit stabilization into an existing airframe. It's a clean solution that doesn't require replacing your whole receiver stack. If you're flying older fixed-wing aircraft or want to make a nervous flier more manageable, this is exactly what you need.