Cheap Door Blanks UK | Frugal Shopping

In a nutshell, these are our top picks for the Cheapest Door Blanks. | MIFARE Classic 1K Card operates at 13.56MHz wireless frequency,according to the ISO14443A standard,and contains 1K bytes of read/write memory,but UID can’t change,uid is not rewritable,MIFARE and MIFARE Classic are trademarks of NXP B.V. |These RFID cards work with KABA,SAFLOK,MIWA AND ONITY LOCKS,also compatible with RC522 and PN532 readers. But they can NOT work with HID,Salto and Assa Abloy Locks/Systems etc. |All cards are pre-programmed with a unique ID(4 Byte UID). The UID is NOT changeable, factory default key: FF FF FF FF FF FF. |They are credit card size,each card individually OPP bag packed. Blank white both sides(no printed numbers, no magnetic strips and no slots or holes). |Printable on all ISO Standard Desktop Photo ID Card Printers(NOT Use for INKJET Printers): Evolis, Zebra, Badgy, Fargo, Magicard, DataCard etc. |