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Keyless Car Entry & Relay Attack Security
Step through LF 125 kHz wake-up signals, UHF 433 MHz response transmission, dual-radio range extension, and UWB Time-of-Flight distance-bounding
STEP 1 OF 6
1. Legitimate Proximity Trigger
When you touch the car door handle, the vehicle emits a Low Frequency (125 kHz) magnetic wake-up pulse. In normal operation, this signal only travels 1 to 2 meters looking for a key fob.
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