Ever since the iPhone 11, Apple has included a U1 chip-- which they later updated to a U2 with the iPhone 15-- in every smartphone it sells, minus the more affordable iPhone SE, of course.

A feature of the iPhone 11 and 11 Pro that didn’t get stage time this week was Apple’s new U1 chip, which adopts the relatively new Ultra Wideband wireless technology. The UWB Alliance, an industry ...

Despite the iPhone 15 series, which uses the second-generation ultrawideband chip, all the other devices use the U1 chip. The ultrawideband chip uses high-frequency and low-range radio signals to ...

While the U1 chip is available with several iPhone models, and many people can use this function to send and receive AirDrop files quicker or find their AirTag/AirPods, it requires new hardware to ...

an item tracker that can be attached to any of your objects so you can find it easily with the Find My app on your iPhone. The AirTag communicates with the U1 chip on iPhones, using UWB technology ...