3-Axis Digital Compass: 1.Triaxial Magnetoresistive sensor, 2.two-axis tilt compensation 3.high precision,great performance 3-Axis digital compass Circuit board Item: 3-Axis digital compass (3-Dimentional magnetic field sensor)Model No: YD-DCM3001. Fields of use: Marine industry; Navigation; radar & communication; aviation;offshore platform control; Antenna installation & fixation, UAV & robot ...