A look at the opportunities and challenges of ultra-wideband, as UWB beacons see widespread adoption in smartphones, smartwatches, and other devices (Christopher Mims/Wall Street Journal)

Christopher Mims / Wall Street Journal:

A look at the opportunities and challenges of ultra-wideband, as UWB beacons see widespread adoption in smartphones, smartwatches, and other devices  —  The ultra-wideband, or UWB, technology that powers Apple’s AirTags could reshape how we interact with devices—if companies can overcome privacy concerns and other hurdles