Here’s our first impression of an Ultra-Wideband-Enabled Smart Lock.

Here’s the lock on Amazon if you want to check its price or learn more:


Affiliate Link. Product data updated: 2026-02-04 US price.

Yeah, Aqara’s U400 Smart Lock with UWB is pretty good.

If the Aliro standard wasn’t coming out this year, ultra-wideband unlocking tech on iPhones would make a lot of users switch away from Android. I’m one week in, and I'm never going back to other smart locks.

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— Josh Teder (@joshteder.bsky.social) January 21, 2026 at 3:15 PM

On Sale

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Affiliate Links. Product data updated: 2026-02-04 US price.
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Affiliate Links. Product data updated: 2026-02-04 US price.
Affiliate Links. Product data updated: 2026-02-04 US price.

On Sale

We’ve spotted some great deals on products we recommend.

If you buy something from a link, 6 Months Later may earn a commission. See our ethics policy.

Affiliate Links. Product data updated: 2026-02-04 US price.
Affiliate Links. Product data updated: 2026-02-04 US price.
Affiliate Links. Product data updated: 2026-02-04 US price.
Affiliate Links. Product data updated: 2026-02-04 US price.
Affiliate Links. Product data updated: 2026-02-04 US price.
Affiliate Links. Product data updated: 2026-02-04 US price.