Table 1.

Technical characteristics of Tag Leonardo iMU by Sewio.

Components	Usage	Description
Decawave UWB Radio (6500 MHz)	Positioning	Tag emits blinks and RTLS provides precise localization via API. This device has calibration accuracy up to 30 cm in position detection (Tag Leonardo iMU / Personal - Sewio Documentation, www.sewio.net/uwb-tags/[30])
Bluetooth Low Energy	Firmware update	BLE is used for wireless firmware update
NFC	Configuration	Provides zero-spend energy Tag reconfiguration
9-axis IMU	Raw data Sensor fusion 3D orientation	Provides raw data (x-y-z axis accelerometer, gyroscope and magnetometer signals), from inertial unit for custom processing like hit/fall detection, jumps etc. or sensor fusion and 3D orientation
Barometer	z-axis	Provides raw atmospheric pressure data or could be used for direct z-axis estimation