Introducing Vicon Blue Thunder IMU, Vicon Blue Thunder is a small, lightweight IMU (only 12 g) containing three sensors, capturing 9-axis of measurement. For use with IMU Research, Vicon Nexus and IMeasureU Step applications.
Blue Thunder IMU - vicon.com/products/vicon-devices/blue-thunder-imu
IMU Research - vicon.com/products/software/imu-research
Vicon Nexus - vicon.com/products/software/nexus
IMeasureU Step - imeasureu.com/imu-step/