RFID Blocking Card vs RFID Wallet vs Sleeve
RFID blocking card vs RFID wallet vs sleeve: which should you use?
All three aim to stop unauthorized scanners from reading the contactless chips in your cards. They differ in cost, bulk, and how much you have to change what you carry.
Quick comparison
| Blocking card | Blocking wallet | Sleeves | |
|---|---|---|---|
| What it is | A card-sized insert that goes in your wallet | A wallet with shielding built in | One shielded cover per card |
| Keep your current wallet | Yes | No, you replace it | Yes |
| Added bulk | One card thickness | Depends on the wallet | One sleeve per card |
| Cost | Low (SignalVault 2-pack is $20) | Usually higher | Low, but you buy several |
| Coverage | Cards near the insert, placed behind your cards | Cards in the closed wallet | Only the cards in sleeves |
| Needs replacing | SignalVault: about every 3 years | When the wallet wears out | When sleeves wear out |
When a blocking card makes sense
You like your current wallet, you carry several cards, and you want protection without changing how you pack your cards. Place it behind your cards, and use two in a long wallet.
When a blocking wallet makes sense
You were already shopping for a new wallet. Look for one that states the frequency it blocks (13.56 MHz for contactless cards) and has been tested.
When sleeves make sense
You only want to protect one or two specific cards, such as a passport card, and do not mind the extra thickness.
What to look for in any option
- A stated frequency of 13.56 MHz.
- Independent testing you can read. SignalVault's results are published here.
- Honest limits. No product stops data breaches, phishing, or compromised payment terminals.
Frequently asked questions
Is an RFID blocking card better than an RFID wallet?
Neither is better for everyone. A card keeps your current wallet and costs less. A wallet is one product to replace instead of an insert to place.
Does one card protect my whole wallet?
It depends on the wallet and the card. SignalVault is designed to protect a standard bi-fold wallet with one card and a longer wallet with two.