Gmouse from Bynav is a GNSS/INS high-precision module-integrated RTK antenna with the M2 series module built inside. Available in Gmouse-M20, Gmouse-M21, and Gmouse-M22 variants, it features a deeply-coupled GNSS/INS combined navigation engine, built-in high-precision positioning board and IMU, and a specialized multi-vector RTK positioning engine. It supports full-constellation full-frequency signals including BDS-3 and Galileo, with 1 cm plus 1 ppm RTK accuracy, anti-jamming up to 65 dBc, and is designed for agriculture, industrial machinery, and automotive positioning.