diy rfid blocker

Title: DIY RFID Blocker: Protect Yourself from Digital Theft

Digital theft is a rising concern, and with the increasing usage of contactless technology, it’s now easier for a thief to access your personal information. RFID (Radio Frequency Identification) technology is now present in many devices, including credit cards, passports, and even car keys. It’s a convenient technology, but it comes with the risk of being a victim of identity theft. In this article, we’ll discuss the importance of protecting yourself from RFID theft and how to make a DIY RFID blocker.

The Risks of RFID Theft

RFID theft occurs when a thief intercepts radio frequency signals that are emitted by RFID enabled devices. Using an RFID scanner, a thief can read the information on your RFID card without physically touching it, and this can happen while it’s still in your pocket or bag. The information on your RFID card can be anything from your name, address, and credit card number.

The threat of RFID theft has become increasingly prevalent, and for good reason. RFID enabled devices are now ubiquitous, and identity thieves can quickly and easily steal your personal information without you even realizing it. If you’ve ever noticed an unauthorized credit card charge or wondered how someone got your personal information, RFID theft might be the culprit.

The Solution: DIY RFID Blocker

Luckily, there’s a straightforward solution to protect yourself from RFID theft, and that is by using an RFID blocker. An RFID blocker is a device that shields your RFID enabled devices from radio frequency signals, preventing thieves from stealing your personal information. You can buy an RFID blocker, but it’s also easy to make one yourself.

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Here’s how to make a DIY RFID blocker:

Materials Required:

– Foil
– Double-sided tape
– Scissors


Step 1: Cut two pieces of foil, each measuring 5 by 3 inches.

Step 2: Stick the double-sided tape along one side of each piece of foil.

Step 3: Attach the two pieces of foil together, sticky side to sticky side.

Step 4: Fold the foil in half, so the sticky sides are on the inside, and then press down to seal the edges.

Step 5: Your DIY RFID blocker is now ready to use. Simply slide your RFID enabled device between the two layers of foil, and it will be protected from RFID theft.


Q1. Can an RFID blocker harm my debit or credit card?

No, using an RFID blocker doesn’t harm your debit or credit card. The foil blocks the radio signal that’s used to read the card, but it doesn’t affect the chip or magstripe.

Q2. How much does a readymade RFID blocker cost?

An average RFID blocking card or sleeve can cost anywhere from $5-$30.

Q3. Is RFID theft prevalent, and how can I know if I am a victim of RFID theft?

Yes, RFID theft is prevalent, and criminals are always finding new ways to steal your information. You will know if you’re a victim of RFID theft if you notice unauthorized charges on your credit card statements.

Q4. How can I prevent RFID theft?

The most simple and effective way to prevent RFID theft is to use an RFID blocker.

Q5. Why don’t banks and credit card companies provide RFID protection?

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Banks and credit card companies are only responsible for protecting against card-skimming and not RFID theft. It is the responsibility of the individual to protect their personal information from RFID theft.


In conclusion, RFID theft is a serious threat to your personal information, and you must protect yourself. Using an RFID blocker is a simple and effective way to do just that. A DIY RFID blocker is an easy and cost-effective way to ensure your peace of mind. With just a few pieces of foil and double-sided tape, you can be sure that your information is safe from prying eyes. So, go ahead and make your DIY RFID blocker today.

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