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RFID Blocking Explained
I introduced the RFID blocking option to both the Tyvek and Soft Shell line based on many requests for this functionality. Lots of customers choose this option, but others have noticed it and wondered what RFID is and whether they need a wallet to block it. I’m not going to try to convince you to get it, just explain what it is as best I can so you can decide.
Here's a brief explanation and answers to the most common questions...
What Does RFID Stand For?
RF stands for Radio Frequency and ID is Identification. It’s basically a way of transmitting information over the air between objects. There are a wide variety of applications for the technology, but the main ones are payments, identification, and building access badges.
If you have a credit card with PayPass or something similar, then it has the capability to transmit its information if placed near one of these readers. The concern is that it’s easy to get small readers which can be used by someone to get close to you and “skim” the information from your card, without ever taking your wallet out of your pocket. In fact, many mobile devices can read this info.
RFID Protection: What You Need it For
More recently, personal information has also begun to be embedded into RFID-enabled IDs. Cards from Washington, Michigan, New York, Vermont, and Canada all contain RFID chips with personal information. I don’t know whether the information can be actually stolen this way (they should have encryption, etc.) but many people who have these cards would prefer to prevent the information from being able to be transferred.
Probably the most common use for RFID cards is for building access. It’s convenient and fairly secure to have employees badge in to buildings, elevators, and rooms. I’ve worked in places where you need to swipe your badge to go through every almost door! So it certainly is convenient to be able to badge through these doors without taking your badge out of your wallet… or even your wallet out of your pocket if it’s at the right height.
RFID Blocking at SlimFold
The blocking in SlimFold RFID wallets blocks the frequencies typically found in payment, identification, and transit cards (13.56 MHz and above). It only blocks the building access cards if they also works on these same frequencies. Most people seem to want to block their payment cards through their wallets while still using building access cards- and that’s usually the case.
And if your building access cards are blocked, the RFID inserts in the MICRO can actually be removed and put back in. That lets you add RFID protection if you go on a trip or something. (The RFID blocking material in the Original models are sewn in, however.)
Your other alternative is to get a non-RFID blocking wallet and then use the RFID card sleeves to protect just the cards that have chips.
So do you need RFID? The actual risk is probably not that high… and it of course depends on a lot of things like the risk factors of where you live and the cards you have. But I hope this helps clear up what the blocking feature is to help you decide. Feel free to reach out with any questions!
Does it make the wallet thicker or heaver?
Nope! Unlike some wallets that include bulky or heavy material, I use a patented alloy/Tyvek laminate. This results in the Tyvek models being the thinnest RFID blocking wallets in the world.
Will my building access badge work through it?
Probably but it depends on the frequency it uses. I’ve been finding that it tends to attenuate the signal of building access cards, making you need to get a bit closer to use them, but that it still works. Meanwhile, it will block payment, ID, and transit cards. If that’s a deal breaker, you can order both versions and then send back one of them.
Is the protection removable?
For the MICRO, yes. For the Original, no.
Will my train/bus pass work through it?
Probably not. Some folks have experimented with the placement of the card by putting it between the RFID blocking material and the outer layer of the wallet, but I haven’t heard definitive results about that yet. If you try it, please let me know how it works for you!