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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 & Z! Y8 p# n5 i+ Q7 @$ _# M- r1 s
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& T8 V' x5 ?3 K5 j" |双向信号放大器， 放大汽车和钥匙的信号， 让车以为钥匙在车边.
9 y }9 E- w! x* L4 s我现在是用faraday case钥匙包装钥匙， 回家把车钥匙扔那种铁皮的饼干盒里。) k7 h$ M1 {1 T: P) a$ O% d) l
我见过最搞笑的是买了宜家一种类似俄罗斯套娃的3层金属盒，把车钥匙放在最里面那个小盒子里， 实测屏蔽信号效果超一流.
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What is Relay Theft?
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# m) K0 o* p) y+ H. ]# URelay theft exploits a vulnerability in passive keyless entry systems, which allow drivers to open and start their cars without removing the keyless fob from their pocket.' O0 Z. {- F: S% z9 Y
# c$ y5 d3 p3 |5 A2 [% LOperating in pairs, one criminal holds a device up against the car door, amplifying the signal it broadcasts around the perimeter of the vehicle. Another stands near the front wall or porch of a home, with a device that relays the key’s signal back to his accomplice.
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- h# T! Q2 S9 v: |, K( VThe car is effectively fooled into believing that the owner is within a defined range (usually two metres) and is approaching the car with their key. The door opens, and the signal is relayed a second time, starting the engine. Once started, the engine will not restart without the key present.
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发表于 2022-1-14 09:46:13
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