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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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1 B3 }' r: u% o; m& f* d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.0 \+ `9 e& y% l
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。0 Q# H7 r+ N( D6 k! H
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?7 _5 f' _& m$ f- c' w, j" z# ]+ m+ {
( a& q( z( P/ Z* Q" K! X: x4 zRelay 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.
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) g, V4 ^* s2 o% F- d9 I& ?Operating 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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4 U+ j( F5 Q% fThe 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.8 m) b0 U% D% p8 I
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雷达卡
发表于 2022-1-14 09:46:13
显身卡
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