WWDC26: Find your accessory with Bluetooth Channel Sounding | Apple
Apple's WWDC26 introduces Bluetooth Channel Sounding for measuring distance to nearby accessories via Core Bluetooth and Nearby Interaction.
“You might have used RSSI in the past to estimate distance, but with Channel Sounding you can actually measure distance.”
Apple introduced Bluetooth Channel Sounding at WWDC26, a Core Bluetooth and Nearby Interaction capability for accurately measuring distance and direction to nearby accessories on iPhones with the N1 chip. This is a developer hardware/connectivity feature with no meaningful AI signal, making it largely off-topic for an AI conference intelligence newsletter.