U‑blox positioning module features both UDR and ADR technology - GPS World
Sierra Wireless: GNSS module - XP2210 UDR function and actual measurement results - Semiconductor business -Macnica,Inc.
Citizen Watch Ireland - Health and fitness like never before. Track your outdoor activity with untethered GPS and on-wrist heartrate monitoring. Powered by Google WearOS, CZ Smart is compatible with iPhone and
Timex enters smartwatch category. No phone needed.
Fossil's Latest Wear OS Watches Feature NFC, Untethered GPS, and Heart Rate Monitors
Navilock's new GNSS receiver series features u-blox's Untethered 3D Dead Reckoning (UDR) module | u-blox
Citizen CZ Smart Bluetooth Black Silicone Smartwatch MX0000-07X