OmniPreSense OPS242 Short Range Radar Sensor (detects motion, speed & direction)

The OPS242 is a complete short range radar sensor providing on board proccessing for motion detection, speed, and direction reporting.  A simple API reports the processed data over a USB interface.  Flexible control over the reporting format, sample rate, and module power levels is provided.  Multiple objects can be detected and reported on at the same time including signal magnitude information.

It’s capable of reporting the motion, speed, and direction of multiple objects in its field of view (78°) up to 25m (80 ft.).