A teardown of the U1 chip in the iPhone 11 has confirmed that it is Apple’s own design. There had been earlier speculation that Apple was using a Decawave Ultra Wideband DW1000 chip that has similar capabilities, offering precise radio-based positioning down to 10 cm.
iFixit says Apple’s chip is a different design to the DW1000, but uses the same standards and is compatible with third-party devices using the Decawave chip…
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