The Defender Signal Blocker is a high-quality faraday pouch; dual-purpose vehicle fob and mobile phone storage pouch.

The dual-purpose nature of the Signal Blocker sees it combat two of the biggest security and safety issues: relay attacks on vehicle fobs and distracted driving caused by mobile phone use.

When sealed inside the pouch, proximity fobs are fully protected from tech-savvy car thieves, ensuring your vehicle cannot be stolen in this manner.

Similarly, a sealed mobile phone cannot receive any calls or notifications, leaving a driver free to focus on the road, free of distractions. Once removed, all missed alerts pull through to the phone within 5 seconds.

Best selling ‘faraday bag’ available, winning awards for its exceptional quality and performance, as well as achieving the coveted Secured By Design Police Preferred Specification.

Beware of imitations! The Defender Signal Blocker is the only blocking pouch to feature industry-leading RPF™ material.

Our new and improved design features a handy hook to attach to key rings or lanyards.

Voted Auto Express Best Buy 2018, Best Buy in 2019 Mini Test & Best Buy in 2023!

Shortlisted for In Car Product of the Year at the 2018 & 2019 First Car Awards!  

As seen on BBC One’s Rip Off Britain, BBC News, Auto Express and many more… The UK’s no.1!

  • • Signal blocking faraday pouch
    • 2 x signal blockers included
    • Made from unique RPF™ material
    • High quality, double-stitched design
    • Protects proximity fobs from keyless car crime
    • Blocks all phone signals, from calls to Wi-Fi & 3G/4G/5G
    • Also blocks RFID, GPS, NFC, EMF
    • Fits most smartphones OR multiple fobs
    • Also protects credit cards
    • Contains educational card insert
    • Colour: Black
    • Dimensions: 18.6 x 11.5 x 0.6cm
    • Secured By Design accreditation
    • 12-month guarantee

Why not check out the Defender Signal Blocker Mini?

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Defender Signal Blocker – Faraday Pouch – 2 Pack


SKU OT01164 Categories ,

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