Samsung and Zigbang have unveiled a smart door lock with a UWB chip, allowing you to unlock your front door without touching your smartphone. The gadget senses a digital home key in your Samsung Wallet on your phone, removing the need to tap your device against the lock or open an app.https://www.notebookcheck.net/Samsung-reveals-unique-UWB-based-smart-door-lock-in-partnership-with-Zigbang.672112.0.html
I think the fold 3 and z flip 3 also have uwb (mine has though)