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Aqara U400 Review: The UWB Smart Lock That Unlocks Before You Touch the Door

July 30, 2026 by Naveen Kumar Durai

Sleek smart door lock installed on a white exterior door, similar in style to the Aqara U400 UWB smart lock

Aqara U400 review: UWB hands-free unlocking, Apple Home Key, fingerprint, and Matter over Thread for $269.99. Who should buy it, and who shouldn’t.

Categories Reviews, smart locks & keyless entry Tags Aqara, smart lock review, UWB smart lock

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