We’ve probably all had it happen. You’re driving along and your route takes you inside a tunnel where, suddenly, your GPS device is completely useless and you find yourself squinting along at signs trying to figure out which lane you need to be in. Because GPS signals are transmitted from satellites, dense cover and underground locations (like tunnels) have always been a challenge. While manufacturers have managed to improve GPS technology so many devices can keep signals in dense undergrowth and in canyons, having a signal underground is a different challenge altogether. But, it looks like Google’s secondary navigation company Waze has a solution.
The Waze Beacons Program uses modified Bluetooth beacons in order to communicate location with your device. From what it looks like, the beacons currently will only work with the Waze app, but the signals are unencrypted so other manufacturers like Google or even Garmin, could take advantage of them as well. read more