"Sweden's Ambulances Can Block Your Radio Signal"

TD:

Three students from KTH Royal Institute of Technology in Sweden have invented a program that jams FM radio waves in civilian vehicles and warns them of an approaching ambulance or firetruck.

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According to Evam System, the device will also block the use of auxiliary cords and Bluetooth. So the vast majority of time in which a car’s speakers are on, an approaching emergency vehicle is able to deliver a warning. However, rather than just cutting out music, the device also gives voice alerts stating an emergency vehicle is approaching.