KÄRN RFID Card Holders

Frequently Asked Questions about RFID Wallets

An RFID card holder is a compact wallet designed to hold cards and help protect them from unauthorized contactless scanning while inside the card holder.

RFID is radio frequency identification technology. NFC is a short-range version used, for example, in contactless card or mobile payments.

Yes. KÄRN RFID cardholders help block unauthorized reads while cards are stored inside the cardholder's protected body.

Yes. The Spanish ID card fits in our collection models. If you want to carry it more accessibly, Slim and Slim Access are the most practical options.

Slim Pro and Slide are the options with the largest approximate capacity, depending on the thickness of the cards. Slim is the most balanced option if you are looking for capacity, quick access, and extra space for daily use.

It is not recommended. To pay, take the card out of the cardholder and use it normally. RFID protection is designed to work while the cards are stored inside.

In Peninsular Spain, estimated delivery is 48/72 working hours. We also ship to the Balearic Islands, Canary Islands, Ceuta, and Melilla, with delivery times calculated according to the destination.