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Is it worth investing in a smart key emulator for testing car security?

Creation date: Oct 29, 2026 2:36pm     Last modified date: Oct 29, 2026 2:36pm   Last visit date: Nov 7, 2026 2:03am
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Oct 29, 2026  ( 1 post )  
10/29/2026
2:36pm
Doriana Shaw (derickshaw)

When testing car security for a fleet at work, it made me wonder if investing in a smart key emulator is really worthwhile. I came across the term relay device for cars during my search, which seems to be a tool that mimics the signals between a car and its keyless entry system. These devices apparently help in analyzing vulnerabilities by emulating smart keys, but the question remains about their compatibility with different car models and how precise their emulation really is. Has anyone here explored this and what insights did they find?