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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 + S* L$ G$ z' A& L3 s: n" U2 N( F
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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., X6 }8 k# o# y' O' T. ]
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。
. |* n% S$ z8 d. L! P" @7 G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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" N p0 W- b; ^% e: T5 nRelay 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., N9 V, F2 H& l7 [* g! x& k
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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.& ~* p% m1 [7 G" ? h; X
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The 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.& [9 l$ M( l0 K0 I
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雷达卡
发表于 2022-1-14 09:46:13
显身卡
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