Ultra-wideband
Very low energy, short range radio precise positioning / From Wikipedia, the free encyclopedia
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Ultra-wideband (UWB, ultra wideband, ultra-wide band and ultraband) is a radio technology that can use a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum.[1] UWB has traditional applications in non-cooperative radar imaging. Most recent applications target sensor data collection, precise locating,[2] and tracking.[3][4] UWB support started to appear in high-end smartphones in 2019.