Features: Double protocols navigation: GNSS navigation supports multiple navigation protocols ensuring accurate positioning service. Return function: with return feature, it provides safe for fixed-wing traverser. Small size suitable for installation on various size of FPV traverser fixed wing, without affecting the flight performances. High-precision Positioning: Adopting advanced GNSS technology, high positioning accuracy, suitable for flight missions in various complex environment. Traverser enthusiasts: FPV traverser enthusiasts who need to improve the safe and navigation ability of the aircraft. Specifications: Size:about 18x18x4.8mm/0.71x 0.71x0.19in Component:ABS Model：GNSS Navigation Module Package Includes: 1PC GNSS Navigation Module note: Due to the problem of lighting effects, there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurement.