U1

First-generation Ultra Wideband chip, used in iPhone 11 through 14, Apple Watch Series 6-8, AirTag 1st gen, HomePod Mini

Spec	U1
Semiconductor Tech
Process node (nm)	16
Release date	2019-09-20

All Devices, Including Discontinued

iPhone 14 Pro Max iPhone Discontinued iPhone 14 Pro iPhone Discontinued iPhone 14 Plus iPhone Discontinued iPhone 14 iPhone Discontinued iPhone 13 Pro Max iPhone Discontinued iPhone 13 Pro iPhone Discontinued iPhone 13 iPhone Discontinued iPhone 13 mini iPhone Discontinued iPhone 12 Pro Max iPhone Discontinued iPhone 12 Pro iPhone Discontinued iPhone 12 iPhone Discontinued iPhone 12 mini iPhone Discontinued iPhone 11 Pro Max iPhone Discontinued iPhone 11 Pro iPhone Discontinued iPhone 11 iPhone Discontinued Apple Watch Series 8 Apple Watch Discontinued Apple Watch Series 7 Apple Watch Discontinued Apple Watch Series 6 Apple Watch Discontinued Apple Watch Ultra Apple Watch Discontinued Apple Watch SE (2nd generation) Apple Watch Discontinued HomePod (2nd generation) HomePod HomePod mini HomePod