“ Ultra-wideband technology is an industry-standard technology and is subject to international regulatory requirements that require it to be turned off in certain locations… iOS uses Location Services to help determine if iPhone is in these prohibited locations in order to disable ultra-wideband and comply with regulations… The management of ultra-wideband compliance and its use of location data is done entirely on the device, and Apple is not collecting user location data. When Apple introduced the iPhone 11 and iPhone 11 Pro this fall, it included a new chip called the U1 that enables ultra-wideband (UWB) for locating other devices in immediate proximity. Presently, it is only used for the phone’s AirDrop file-sharing feature, but it is expected to be used for other features such as augmented reality and the company’s rumored upcoming Tile competitor in the future. The brief flash of controversy on Twitter and tech blogs over this issue illustrates the challenges Apple faces with its privacy-oriente”
Source : The iPhone 11’s U1 chip necessitates constant geolocation checks, Apple says | Ars Technica