This is the LIDAR-Lite v3 Laser Rangefinder, a compact, high-performance optical distance measurement sensor from Garmin™. The LIDAR-Lite v3 is the ideal solution for drone, robot or unmanned vehicle applications.
Beacons are mounted on walls or ceilings to measure distance to other beacons and “hedgehog” using ultrasonic pulses. They communicate with router wirelessly in ISM band. Powered by LiPo battery or USB. Indoor Positioning System (IPS)