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You don't even need to buy an amplifier. You can stick the key against your head and the water in your brain will amplify the signal. Bonus points for taking a
by rasur 11y ago
You don't even need to buy an amplifier. You can stick the key against your head and the water in your brain will amplify the signal. Bonus points for taking a plastic container of water for even further extension of the range!
- Flockster 11y agoIs there a source for that? I find it hard to believe.
- MiguelHudnandez 11y agoSome googling yields this discussion: http://physics.stackexchange.com/questions/101913/why-does-a-remote-car-key-work-when-held-to-your-head-body http://physics.stackexchange.com/questions/101913/why-does-a...
- deleted 11y ago[deleted]
- i_cannot_hack 11y agoSee this video by Sixty Symbols: https://www.youtube.com/watch?v=0Uqf71muwWc https://www.youtube.com/watch?v=0Uqf71muwWc
- rasur 11y agoI did too, but I saw this video (which is part of the very entertaining Sixty Symbols series, btw) which had a demonstration. https://www.youtube.com/watch?v=0Uqf71muwWc https://www.youtube.com/watch?v=0Uqf71muwWc EDIT: i_cannot_hack got the link in before me. Kudos ;)
- 2400 11y agoTop Gear did this experiment and it worked.
- discardorama 11y agoThat is if you want to amplify the signal. But if it's an adversary, they need to do a sort-of MITM to take the car's signal, amplify it, and then turn around and take the key's response and forward it to the car.
- deleted 11y ago[deleted]
- Symmetry 11y agoI don't think the problem is that people in possession of the vehicle's key can open it from too far away. The problem is that people who don't have possession of the key can open the car and drive off with it.