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CES 2026: Aqara Launches U400 Smart Lock With HomeKit and Hands-Free UWB Unlocking
Smart home company Aqara today debuted its latest smart lock, the U400. The Aqara Smart Lock U400 incorporates ultra wideband (UWB) technology for more precise location-based tracking and automated door unlocking. There are few UWB smart locks on the market, but the technology uses the UWB chip in the iPhone to unlock the door right as you approach. There is no need to tap an iPhone on the lock with UWB, so the door can be unlocked entirely hands-free.
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