Ultra-wideband (UWB) is a recent trend within localization, able to provide accurate location estimations in a sub-decimeter level. This technology can now be found in the IPhone 11! Recently, an UWB system was released in the market featuring angle-of-arrival capabilities. This enables a device to accurately localize another one without the help of third parties. There are rumours that a similar mechanism will also be implemented by Apple. So far, all the technical information available regarding this kit is provided by the manufacturer.