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Features like keyless entry and keyless start are extremely convenient for drivers, as you can unlock your vehicle and hit the ignition without having to get the key out of your pocket. However, this tech can also leave you vulnerable to sophisticated thieves: they are known to use relay devices to copy a key’s signal, allowing them to drive off with your car without leaving a trace.
Luckily, there is something you can do to protect yourself. Faraday bags - also referred to as signal blocking pouches - are lined with layers of metallic material that can block a key’s signals from reaching the outside world. Once you’ve locked your car, simply pop the key in the bag and hey presto, any would-be thieves will be leaving empty handed.
• How to avoid keyless theft
Faraday bags work with smartphones and credit cards too, so they’re useful for preventing fraud and hacking when you’re out and about. But which product performs best? We’ve got our hands on eight different pouches to see which did the best job.
Having placed the key in a bag alongside the car’s door handle, we attempted to open the door and then release the locks by pushing the buttons. Then we got inside the car and tried to start the engine with the key still in the bag.
We also used an app to test each bag’s ability to block WiFi and Bluetooth signals. And finally, we checked each product’s build quality (such as quality of stitching) as well as rating their size, practicality, and overall value for money. All prices were found online.
In a test where all the products worked perfectly, points scores were very close. Based on value, build and practicality, we reckon the best overall signal blocker is the Defender, with the key-only Disklabs KS1 and Ecence close behind.
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
Our reigning champ hasn’t changed since its last win, so the spec remains the same. It’s bigger than many rivals, at 185mm x 115mm, and the heaviest, at 42g. But that size adds to its versatility because the pouch was also able to hold quite a large smartphone, cutting WiFi and Bluetooth signals to prevent hacking.
Putting in a big key, such as one from VW or BMW, was a squeeze, but flatter ones fitted easily. We liked the pouch’s build quality, too, but its size would mean storing it in a handbag, large pocket or briefcase on the move. Yet being able to protect a phone and key would seem worth it, especially at this price.
Buy now from Amazon
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
At about two-thirds the size of our reigning champ ,the KS1 wasn’t large enough to hold a phone, but it’s hard to imagine a key being so big that it wouldn’t fit. Another bonus was that this bag has a hook for hanging it in the house, though Disklabs advises not storing the KS1 in a pocket, in case friction lessens the effectiveness of the shielding.
Despite looking the same, the bag’s specification has changed since our last test, when it finished in second place. However, it proved just as effective this time round, with the key unable to communicate with the car.
Buy now from Amazon
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
Available from Amazon, this is identical to the Halfords and B-G offerings. The material is thick and not dissimilar to that of the Disklabs, although we found the join along the lower edge was a bit amateur – it hadn’t actually split, but with regular use it might soon start to. The pouch has clearly been designed solely for key protection, and fitting was a bit tight, especially when pushing the key out from the bottom. All the car’s signals were successfully blocked and it was also competitively priced, which placed it above its two cousins.
Buy now from Amazon
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
B-G offers a choice of two Faraday bags, the second being larger and suitable for phones, and about the same size as the Defender, with a price tag of £12.99. This smaller version matched the Halfords and Ecence note for note, sharing similar positive and negative points. On the back is a simple chrome ring, presumably for hanging in the house, and there’s also a conventional key ring attached to the top. Clipping on the car key meant it was almost impossible to get in the wallet, and other keys (house, office) could be fitted, although it made everything quite clumsy.
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
The third of the B-G/Ecence trio, the Halfords lost out on price, but all other aspects were the same. We liked the general feel of the wallet; it seems strong enough to cope with regular use, ignoring that ungainly join. The two-ply copper prevented all signal leakage and the interior compartment would be handy for notes and parking tickets. Unlike the other two, it specifically mentions its use for credit cards; it would take a few alongside a key.
Buy now from Halfords
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
TVL’S wallet is similar to the TrackingUK version and also blocked phone signals while the flap was held shut. Another vinyl wallet, it felt better made and should handle constant opening and closing, but might not be so good at being regularly folded into a pocket or handbag. However, it was over 50 per cent heavier (if still far from hefty), at 26g. It stopped all signals, but it was the second priciest choice and topped the list for key-only wallets.
Buy now from TVL Limited
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
The AMJ differs from its rivals in most respects. It arrives in a stylish, well made and sturdy leather ‘box’, which also prevents accidental scuffing. The cover is made from top-quality Italian leather and black velvet, with two protective shielding materials inside. And we liked the magnetic strip on the hood, which ensured the cover stayed closed even in a pocket.
Each cover is designed to fit specific car keys, and every one is logged to its owner so that any warranty work can be traced back. Our sample was easy to use and it protected perfectly, blocking both door opening and engine operation. It simply oozed style, but that has to be balanced against the substantial price.
Buy now from AMJ
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
The larger, phone-sized Disklabs offering mirrored the quality and style of its smaller sibling, as well as the official police accreditation. It’s a bit bigger than the Defender, and could handle both sample phones and blocked all signals to keys and phone, although fitting a bulkier (VW, BMW etc.) key with a phone was tricky. Initially it seemed expensive, but the price per gram was a little below average, although it couldn’t match the top-value Defender.
Buy now from Amazon
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
At just 16g, the TrackingUK wallet was the lightest here, making it unobtrusive and easy to fold into a pocket when not in use. We’d worry about the durability of the vinyl construction and stitching, but it certainly cut all the signals on the keys. It even worked with an iPhone 6, albeit with the flap held tight shut – not a practical application, but a good test. In most cases, it could handle a pair of keys, but it’s hard to ignore that fairly high price.
Buy now from Amazon
Now your keys are safe, why not take a look at the best steering wheel locks on the market?
Continue reading...
Luckily, there is something you can do to protect yourself. Faraday bags - also referred to as signal blocking pouches - are lined with layers of metallic material that can block a key’s signals from reaching the outside world. Once you’ve locked your car, simply pop the key in the bag and hey presto, any would-be thieves will be leaving empty handed.
• How to avoid keyless theft
Faraday bags work with smartphones and credit cards too, so they’re useful for preventing fraud and hacking when you’re out and about. But which product performs best? We’ve got our hands on eight different pouches to see which did the best job.
How we tested them
Having placed the key in a bag alongside the car’s door handle, we attempted to open the door and then release the locks by pushing the buttons. Then we got inside the car and tried to start the engine with the key still in the bag.
We also used an app to test each bag’s ability to block WiFi and Bluetooth signals. And finally, we checked each product’s build quality (such as quality of stitching) as well as rating their size, practicality, and overall value for money. All prices were found online.
Verdict
In a test where all the products worked perfectly, points scores were very close. Based on value, build and practicality, we reckon the best overall signal blocker is the Defender, with the key-only Disklabs KS1 and Ecence close behind.
- Defender Signal Blocker
- Disklabs Key Shield Faraday Bag KS1
- Ecence RFID Radiation Protection Bag
Reviews
Defender Signal Blocker
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
- Price: Around £5
- Size (cm): 18.5 x 11.5
- Rating: 5.0
Our reigning champ hasn’t changed since its last win, so the spec remains the same. It’s bigger than many rivals, at 185mm x 115mm, and the heaviest, at 42g. But that size adds to its versatility because the pouch was also able to hold quite a large smartphone, cutting WiFi and Bluetooth signals to prevent hacking.
Putting in a big key, such as one from VW or BMW, was a squeeze, but flatter ones fitted easily. We liked the pouch’s build quality, too, but its size would mean storing it in a handbag, large pocket or briefcase on the move. Yet being able to protect a phone and key would seem worth it, especially at this price.
Buy now from Amazon
Disklabs Key Shield Faraday Bag KS1
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
- Price: Around £28
- Size (cm): 12 x 10
- Rating: 4.5
At about two-thirds the size of our reigning champ ,the KS1 wasn’t large enough to hold a phone, but it’s hard to imagine a key being so big that it wouldn’t fit. Another bonus was that this bag has a hook for hanging it in the house, though Disklabs advises not storing the KS1 in a pocket, in case friction lessens the effectiveness of the shielding.
Despite looking the same, the bag’s specification has changed since our last test, when it finished in second place. However, it proved just as effective this time round, with the key unable to communicate with the car.
Buy now from Amazon
Ecence RFID Radiation Protection Bag
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
- Price: Around £6
- Size (cm): 12.5 x 8
- Rating: 4.5
Available from Amazon, this is identical to the Halfords and B-G offerings. The material is thick and not dissimilar to that of the Disklabs, although we found the join along the lower edge was a bit amateur – it hadn’t actually split, but with regular use it might soon start to. The pouch has clearly been designed solely for key protection, and fitting was a bit tight, especially when pushing the key out from the bottom. All the car’s signals were successfully blocked and it was also competitively priced, which placed it above its two cousins.
Buy now from Amazon
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
- Price: Around £10
- Size (cm): 12.5 x 8
- Rating: 4.0
B-G offers a choice of two Faraday bags, the second being larger and suitable for phones, and about the same size as the Defender, with a price tag of £12.99. This smaller version matched the Halfords and Ecence note for note, sharing similar positive and negative points. On the back is a simple chrome ring, presumably for hanging in the house, and there’s also a conventional key ring attached to the top. Clipping on the car key meant it was almost impossible to get in the wallet, and other keys (house, office) could be fitted, although it made everything quite clumsy.
Halfords Anti RFID Theft Wallet
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
- Price: £10
- Size (cm): 12.5 x 8
- Rating: 4.0
The third of the B-G/Ecence trio, the Halfords lost out on price, but all other aspects were the same. We liked the general feel of the wallet; it seems strong enough to cope with regular use, ignoring that ungainly join. The two-ply copper prevented all signal leakage and the interior compartment would be handy for notes and parking tickets. Unlike the other two, it specifically mentions its use for credit cards; it would take a few alongside a key.
Buy now from Halfords
TVL Anti Scan Wallet
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
- Price: Around £18
- Size (cm): 14 x 9.5
- Rating: 3.5
TVL’S wallet is similar to the TrackingUK version and also blocked phone signals while the flap was held shut. Another vinyl wallet, it felt better made and should handle constant opening and closing, but might not be so good at being regularly folded into a pocket or handbag. However, it was over 50 per cent heavier (if still far from hefty), at 26g. It stopped all signals, but it was the second priciest choice and topped the list for key-only wallets.
Buy now from TVL Limited
AMJ Protective Key Cover
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
- Price: £100
- Size: Suitable for almost all keys, the overall dimensions of which do not exceed 8cm in length, 4cm in width and 2cm in thickness
- Rating: 3.0
The AMJ differs from its rivals in most respects. It arrives in a stylish, well made and sturdy leather ‘box’, which also prevents accidental scuffing. The cover is made from top-quality Italian leather and black velvet, with two protective shielding materials inside. And we liked the magnetic strip on the hood, which ensured the cover stayed closed even in a pocket.
Each cover is designed to fit specific car keys, and every one is logged to its owner so that any warranty work can be traced back. Our sample was easy to use and it protected perfectly, blocking both door opening and engine operation. It simply oozed style, but that has to be balanced against the substantial price.
Buy now from AMJ
Disklabs Phone Shield Faraday Bag PS1
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
- Price: £30
- Size (cm): 11.5 x 19
- Rating: 3.0
The larger, phone-sized Disklabs offering mirrored the quality and style of its smaller sibling, as well as the official police accreditation. It’s a bit bigger than the Defender, and could handle both sample phones and blocked all signals to keys and phone, although fitting a bulkier (VW, BMW etc.) key with a phone was tricky. Initially it seemed expensive, but the price per gram was a little below average, although it couldn’t match the top-value Defender.
Buy now from Amazon
TrackingUK Faraday Key Signal Blocking Wallet
AMJ Protective Key Cover
Ecence RFID Radiation Protection Bag Price: Around £7Size (cm): 12.5 x 8Rating: 4.5
Disklabs Phone Shield Faraday Bag PS1Price: £24Size (cm): 11.5 x 19Rating: 3.0
TrackingUK Faraday Key Signal Blocking WalletPrice: Around £12Size (cm): 14.3 x 10Rating: 3.0
Welcome to our countdown of the best Faraday bag signal blockers.
TVL Anti Scan WalletPrice: Around £18Size (cm): 14 x 9.5Rating: 3.5
B-G RFID Keyless Entry Car Key Fob Signal Blocking Faraday Bag MIS1003Price: Around £10Size (cm): 12.5 x 8Rating: 4.0
Halfords Anti RFID Theft WalletPrice: £10Size (cm): 12.5 x 8Rating: 4.0
Disklabs Key Shield Faraday Bag KS1Price: Around £17Size (cm): 12 x 10Rating: 4.5
Defender Signal Blocker Price: Around £5Size (cm): 18.5 x 11.5Rating: 5.0
- Price: Around £12
- Size (cm): 14.3 x 10
- Rating: 3.0
At just 16g, the TrackingUK wallet was the lightest here, making it unobtrusive and easy to fold into a pocket when not in use. We’d worry about the durability of the vinyl construction and stitching, but it certainly cut all the signals on the keys. It even worked with an iPhone 6, albeit with the flap held tight shut – not a practical application, but a good test. In most cases, it could handle a pair of keys, but it’s hard to ignore that fairly high price.
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Now your keys are safe, why not take a look at the best steering wheel locks on the market?
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