The Bosch Sensortec BMM150 is Magnetometer.The low-power, low-noise BMM150 is a 3-axis digital geomagnetic sensor that perfectly matches the requirements of compass applications. By means of sensor data fusion software tailored to the hardware, the BMM150 provides absolute spatial orientation and motion vectors with high accuracy and dynamics. The BMM150 is also especially suited for supporting drones in accurate heading.

Outdoor/indoor navigation
Head movement tracking Resolution is 0.3μT
Current consumption- 500 μA (normal mode)
Package Size -WLCSP- (12 pin) , 1.56x1.56x0.6 mm³ , 0.4 mm diagonal ball pitch
Temperature range is -40 to +85°C .