The codes transmitted by garage-door remotes have gotten far more complex over time. The unfortunate homeowners in Connecticut eventually learned that the signal emitted from the submarine base’s radio-communication system shared a frequency with their garage-door systems, and the more powerful military signal drowned out the information their remotes were trying to transmit. Each time you open or close a garage door, the remote and the receiver inside have a brief conversation in code-a conversation that happens to be conducted via radio signals over the airwaves. Rather, it was simply a side effect of the way all remote-entry garage-door systems are designed. The culprit? A military submarine base.Īnnoying as it may have been, there was nothing sinister behind this pattern. In 2012, garage doors throughout southeastern Connecticut mysteriously seized up.
Garage-Door Openers: Signaling Security Learn a little about the technology inside the little remote in your car with Groupon’s examination of garage-door openers.
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