Ultra-Wideband is the technology behind experiences like precision finding, digital car keys, and keyless building access. It allows devices to understand not just that something is nearby, but roughly how far away it is and in which direction.

In this talk, I'll explore what spatial awareness means for Flutter apps and how UWB can move us beyond simple proximity. We'll look at real-world use cases like digital car keys, item tracking, and nearby device interaction, then walk through flutter_uwb, an open-source plugin I built to bring these capabilities to Flutter.

The session is built around a live demo using Flutter, two phones, and a UWB chip — showing distance and direction as first-class inputs and walking through the Dart code that produces them.

If you've ever wanted your app to know where a user actually is in physical space — not just whether they're nearby — this talk gives you the mental model, the API, and the code to start.