"Police Detector" Monitors Emergency Radio Transmissions

schwit1 writes A Dutch company has introduced a detection system that can alert you if a police officer or other emergency services official is using a two-way radio nearby. Blu Eye monitors frequencies used by the encrypted TETRA encrypted communications networks used by government agencies in Europe. It doesn't allow the user to listen in to transmissions, but can detect a radio in operation up to one kilometer away. Even if a message isn't being sent, these radios send pulses out to the network every four seconds and Blu Eye can also pick these up, according to The Sunday Times. A dashboard-mounted monitor uses lights and sounds to alert the driver to the proximity of the source, similar to a radar detector interface.

Comments

someohow I think

[Lawrence_Bird]

our police overlords will have this banned very quickly. Imagine a network of these in a city that can update a location map in realtime. Remember, just because the cops are public officials operating in public doesn't mean they think the public has a right to know about anything they are doing.

Re:someohow I think

[azadrozny]

I am not sure about this. A Federal judge recently found that flashing your headlights to warn oncoming drivers of a speed trap, is protected speech under the First Amendment. You could make an argument that these are a group of concerned citizens tracking the activities of their local police, and publishing their findings.

Re:someohow I think

[Totenglocke]

It's always funny to see those who've never interacted with the police in a professional manner claim that it's a "minority" that are criminal.