CUID Rewritable Card RFID Smart Chip Tag 13.56Mhz Clone Key NFC ISO14443 Replicator Copy Token IC Gen2 Copier Badge

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The product is as follows:
1,UID card block 0 (UID's block) can be modified arbitrarily.
2, card of the default password for 12 F,FFFFFFFFFFFF.
3,CUID Support phone NFC android App MCT modify UID.

The difference between UID card and CUID card.

UID card：
Ordinary copy card, you can repeatedly erase and write all sectors, it is mainly used in IC card copy, it will fail if it encounters a card reader with a firewall.

CUID card：
The rewritable anti-shielding card can repeatedly erase and write all sectors. It can be used when the UID card copy is invalid, and the firewall can be bypassed.

Note:Common 13.56mhz rfid reader writer cannot write the CUID cards!

NFC phone andriod App(MCT),300CD,PM5/Pro, acr122U,iCopy3/5/8, Proxmark 3 support write CUID cards.

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