Apple’s AirDrop gets an upgrade in iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max

The new Apple‑designed U1 chip uses Ultra Wideband technology for spatial awareness — allowing iPhone 11 Pro to precisely locate other U1‑equipped Apple devices
Joe Rossignol for MacRumors:iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max models are equipped with a “U1” ultra wideband chip for “spatial awareness,” according to tech specs on Apple’s website, which should result in more accurate indoor positioning and pave the way for the future launch