The Defender Signal Blocker, a high quality Secured By Design car key signal blocker. Prevent Keyless Car Crime, Thwart keyless entry car thieves who use signal boosting devices to carry out relay attacks.
Buy one today on EV Accessories with a choice of three colours. HERE.

Security Features

  • Fully blocks a fob’s proximity signal.
  • Prevents tech-savvy Relay Attacks.
  • Voted ‘Best Buy’ in Auto Express product test.
  • Big enough for multiple fobs, cards & keys.

The Best Car Key Signal Blocker – Secured by Design

The Defender Signal Blocker possibly best car key fob signal blocker on the market.  We’ve tested others and found them to not last and “leak” after just a few weeks.  Buy the Defender Signal Blocker with confidence.

  • Award winning Signal Blocker Bag
  • Secured by design police preferred specification
  • Voted Auto Express Best Buy 2018! Shortlisted for In Car Product of the Year at the 2018 First Car Awards! 
  • As seen on BBC 1’s Rip Off Britain, BBC News, Auto Express and lots more. The UK’s no.1 selling Faraday key pouch.
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