Product: YARONGTECH MIFARE Classic 4K RFID Smart Card NFC Chip 13.56MHZ IC Hotel Key Card (Pack of 10)
Brand: YARONGTECH
1.Chip: MIFARE Classic 4K Chip 
 2.Function: Read/Write protect by password,UID can’t change,uid is not rewritable
 3.Memory: 4K Byte
 4.Card dimensions: 85.5 x 54mm(ISO Credit Card Size) 
 5.Thickness: 0.88mm. 
 6.Material: PVC
 7.Surface: lamination (glossy)
 8.Frequency: 13.56MHz
 9.RF Protocol: ISO 14443A
 10.Data storage time: minimum 10 years
 11.Each card is well packed with a clear plastic foil
 12.Blank white card, printable on most desktop photo ID card printers, NOT FOR INKJET PRINTER
 13.Can work with RC522 and PN532
 14.Package: 10pcs per Bag
 15.Works with KABA,SAFLOK,MIWA AND ONITY LOCKS etc, but NOT work with HID,Salto and Assa Abloy RFID Locks, also NOT compatible with Amiibo and 125KHz EM Readers.
 MIFARE and MIFARE Classic are trademarks of NXP B.V.
MIFARE Classic 4K 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,Amiibo and TagMo 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.

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