stackyFACTSBluetooth is notoriously terrible at telling you exactly where your lost wallet is, mostly just guessing based on signal strength.
Bluetooth is notoriously terrible at telling you exactly where your lost wallet is, mostly just guessing based on signal strength. Apple’s U1 chip upgrades this using Ultra-Wideband (UWB) technology. Instead of relying on signal volume, UWB shoots billions of radio pulses a second and measures their exact 'time of flight' at the speed of light. This allows your phone to pinpoint a localized beacon down to the centimeter, giving you an exact directional arrow straight to your keys.
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