Honeywell Aerospace Technologies: New MEMS IMU Honeywell Aerospace Technologies is a key global supplier of high-end inertial sensors. In June 2025, it announced a new product to its inertial measurement unit (IMU) portfolio, the HG3900, which brings FOG/RLG levels of performance but with all-silicon MEMS technology. Honeywell Aerospace Technologies: New MEMS IMU