A look at Ultra Wideband-based U1 chip in iPhone 11 models, which is being used for AirDrop and could have many other potential applications like tracking tags (Jason Snell/Six Colors)

Jason Snell / Six Colors:
A look at Ultra Wideband-based U1 chip in iPhone 11 models, which is being used for AirDrop and could have many other potential applications like tracking tags  —  Apple likes talking about the awesome chips it designs for its iPhones, but it hates even hinting at products it hasn't yet announced.

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