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Aqara U400 review: HomeKit’s futuristic smart lock has arrived

The Aqara UWB Smart Lock U400 offers seamless Apple HomeKit integration, utilizing Ultra Wideband technology to provide precise, hands-free unlocking for iPhone and Apple Watch users.

Key Points

  • The Aqara U400 is the first smart lock to support Ultra Wideband (UWB) technology for Apple Home, enabling precise spatial awareness for automatic unlocking.
  • Installation requires replacing the entire deadbolt system, which provides increased reliability and force compared to retrofit smart lock solutions.
  • Users can unlock the device via NFC tap, UWB proximity, fingerprint, passcode, the Home app, or a traditional physical key.
  • The device features a rechargeable battery via USB-C, with an estimated lifespan of up to six months per charge.
  • The lock is currently available for purchase on Amazon at a retail price of $269.99.

Why it Matters

This device represents a significant advancement in smart home convenience by eliminating the latency and reliability issues common in previous Bluetooth-based locks. By successfully integrating UWB technology, Aqara sets a new standard for seamless, proximity-based home security within the Apple ecosystem.
9to5Mac Published by Chance Miller
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