Drivers in New York City will soon be able to use Waze — and other navigation apps — in places like tunnels or bridges where it’s common to lose a GPS signal.

The new capability is courtesy of small open source puck-like devices called Waze Beacons that were invented in-house by Gil Disatnik, an engineer who now heads up the beacons program.

These battery-powered beacons broadcast an open standard signal via Bluetooth, which takes over for

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