What is UWB and which Samsung Galaxy phones support it?

Ultra-wideband (UWB) is an emerging wireless standard that delivers better range and accuracy than Bluetooth. Samsung is turning to UWB as the differentiator for its best phones, so let's take a look at what the tech has to offer and why you should care.

source https://www.androidcentral.com/what-uwb-galaxy-s21-series-and-which-models-support-it