CROSSBOW IMU300CC,IMU400CD,IMU440CA,IMU700CD Vertical Gyroscope:CROSSBOW VG400CD,VG440CA,VGS440CA,VG700CB,VG700AB Attitude and Heading Refference system:CROSSBOW AHRS400CD,AHRS500GA GPS/INS:CROSSBOW NAV420CA100,NAV440 France PHINS,OCTANS III Innalabs AHRS Mini-AHRS