Do RFID blocking cards actually work? My Flipper Zero revealed the
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Credit and debit cards contain RFID contactless technology. Can an RFID blocking card keep someone from "reading" your card without your knowledge? I put it to the test.
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125 kHz RFID - Flipper Zero - Documentation
![](https://i.etsystatic.com/8655979/r/il/9057e9/5117468368/il_fullxfull.5117468368_mi0u.jpg)
GPIO Diagnostics Board for Flipper Zero
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Fantom S Card Fanning Wallet
![](https://assets.change.org/photos/5/hk/bk/MDhkBKVEcXAyLJs-1600x900-noPad.jpg?1710856667)
Petition · Stop the Absurd Ban of Flipper Zero in Canada - United Kingdom ·
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125 kHz RFID - Flipper Zero - Documentation
![](https://www.zdnet.com/a/img/resize/6f9ac99abaa541291e393a8b765bdffb2fa11559/2022/08/05/11c625de-cb18-4e3f-8614-5010553831f2/adrian-kingsley-hughes.jpg?auto=webp&fit=crop&frame=1&height=192&width=192)
Do RFID blocking cards actually work? My Flipper Zero revealed the truth
![](https://archbee-image-uploads.s3.amazonaws.com/3StCFqarJkJQZV-7N79yY/J973CNQ-g1pU_Wox6hbil_shq9nndl83mwir9l8vzireading125khzcards02-1.png)
125 kHz RFID - Flipper Zero - Documentation
![](https://www.zdnet.com/a/img/resize/ebeea4341a3001654391613b7cb3644181f4086f/2023/08/25/4293e128-68a1-4834-ad09-84880bc73f38/gettyimages-1139509177.jpg?width=278&height=156&fit=crop&auto=webp)
Security - Page 5
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🐬 Flipper Zero detects 125kHz RFID cards protocol and modulation automatically #flipperzero
![](https://image.made-in-china.com/44f3j00vpgTchaJhAzk/RFID-Blocking-Card-Anti-Scanner-13-56MHz-Credit-Card-Protector-RFID-Blocker.webp)
Protect Your Personal Data with HKCARD RFID Blocker Cards: FAQs, Benefits, and More, rfid-blocker