Frequently asked questions
Who is the Nearby Interaction Accessory Protocol Specification for?
The specification is intended for accessory manufacturers looking to integrate UWB into new or existing accessories. To learn how to build apps that work with Nearby Interaction-enabled accessories, view the the Nearby Interaction framework documentation. Chipset manufacturers who are interested in building a UWB solution that is interoperable with Apple U1 should join the MFi Program.
What does the Developer Preview for iOS 16 include?
The Developer Preview for iOS 16 provides an updated protocol for accessories that use both UWB and Bluetooth LE. Accessories that support this updated protocol may interact with iPhone apps even when they are running in the background, enabling new hands-free user experiences.
For more details, watch the WWDC22 video and view the framework documentation.
What should an accessory manufacturer do before shipping a Nearby Interaction-enabled accessory?
To create an UWB accessory that supports Nearby Interactions, select an approved UWB chipset that is interoperable with Apple U1. After integrating the approved UWB chipset in your accessory, implement the Nearby Interaction Accessory Protocol in both the accessory and your companion app.
Where can I find UWB development kits that interoperate with Apple U1?
Approved UWB development kits are available for accessory manufacturers to purchase from the following chipset manufacturers:
Which Apple devices support Ultra Wideband technology with the Apple-designed U1 chip?
Ultra Wideband is available on iPhone 13 models, iPhone 12 models, iPhone 11 models, Apple Watch Series 7, and Apple Watch Series 6. Availability varies by region due to regulatory requirements.
Learn more about Ultra Wideband availability