product description:
1.MIFARE Classic® 4K Chip
2.13.56MHZ .
3.credit card size.
4.blank white card,printable by sublimation printer,but can t support inkjet printer.
5.pvc material.
6.can work with RC522 and PN532
MIFARE and MIFARE Classic are trademarks of NXP B.V.
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