sensor77Fluid-level sensing using 77-GHz millimeter wave 2 May 2017 Abstract The IWR1443 millimeter wave (mmWave) sensor is a hhly integrated 77-GHz radar device that serves as a single77-GHz radars in the medium- to long-distance range (LLR) play a crucial role in improving driving efficiency and safety in ADAS applications by providing information about a vehicle's