11 ms·
An amplifier doesn't need to be tuned to a specific frequency. Look at SDRs. You can "tune" an SDR to tunnel an entire large chunk of spectrum.
by TheLoneWolfling 12y ago
An amplifier doesn't need to be tuned to a specific frequency.
Look at SDRs. You can "tune" an SDR to tunnel an entire large chunk of spectrum.
- Syrup-tan 12y agoAdding on the idea of a specific frequency; what if the car also sends a few ``honeypot'' signals at different frequencies, near the real frequency. If the attack tries to amplify a given range, the honey pot signals will also be amplified, and the car can refuse to be opened.
- TheLoneWolfling 12y agoYou're assuming omnidirectional amplification. It's easy enough to amplify without leaking more signal back to the source than, say, a metal-faced wall would.