The Defender Signal Blocker is a premium, police-accredited faraday pouch that blocks RFID signals from car keys to prevent keyless vehicle theft.
Designed to combat two of today’s biggest driving concerns – keyless car theft and mobile distraction – this dual-purpose pouch is a reliable solution trusted by thousands across the UK.
Dual protection: It blocks signals from car key fobs to prevent thieves from boosting your key’s signal and is spacious enough to hold a smartphone to block all phone signals.
Trusted solution: It prevents relay attacks on key fobs and reduces mobile phone distractions by cutting off calls, notifications, and data while you drive.
Premium materials: Constructed using our exclusive RPF™ and reinforced with double stitching for long-lasting performance.
Police accredited: Officially recognised under the Secured by Design Police Preferred Specification – the UK standard for trusted crime prevention products.
As Seen on ITV News: Proudly showcased by Gwent Police as the official Police Accredited solution to combat vehicle crime.
Award-winning performance:
Auto Express Best Buy – 2018, 2019, and 2023
Shortlisted for In-Car Product of the Year – First Car Awards 2018 & 2019
Easy to use: Simply place your car key or phone inside and seal the pouch. All signals are blocked instantly, and your device reconnects within 5 seconds after removal.
Portable and discreet: Includes a practical external hook for attaching to keyrings or lanyards.
Comprehensive protection: Effectively blocks signals including RFID, Wi-Fi, 3G/4G/5G, GPS, NFC, and EMF – ideal for phones, car fobs, credit cards, travel pouches and more.
12-month guarantee: Backed by a 1-year manufacturer’s warranty for your peace of mind.
Product details:
• Dimensions: 18.6 x 11.5 x 0.6 cm
• Colour: Black
• Pack size: 2 pouches included
Need a smaller option? Explore the Defender Signal Blocker Mini – perfect for compact protection wherever you go.
I bought the Defender blocker key pouches via Amazon and it worked for about 4 months, but suddenly the car was opening as I approached it even though the key was securely in the pouch. As it was a twin pack, I moved the key to the unused pouch and it successfully blocked the signal again. However, this didn’t last long and only 6wks later the car is opening again with the key inside the pouch!! Disappointed and will be contacting Amazon
The Faraday pouches block the fob signal really well.
Good quality product which arrived promptly.
They work!
Bought a car key pouch from Defender Security Products. Reviews say it’s the best on the market and I have proved this. Took the key right up to the car inside the pouch and it did not open the car
Quick delivery just way too big for my key card,wish I knew it was so big !! But it works and my phone fits in it snuggly ,just wish size was better for card key apart from that excellent
Value that works.
Works perfectly and arrived in good time, good quality product
I have just purchased a faraday car key pouch .it works perfectly. I must say I have bought several from other companies and this is the only one to work fully .I would highly recommend this company 10/10
Purchased a couple of Defender Signal blocker pouches tested them by putting the keys in them and they worked could not open the car door/boot. Also purchased the larger version for the spare keys all very well made.