MIFARE cards with the ability to change the UID serial number

The offered RFID proximity cards enable programmatic change of the serial number (the unique identifier of the proximity card), making it possible to clone standard 13.56 MHz MIFARE Classic S50 1k cards.

UID modification

In standard cards MIFARE S50 the first factory memory block storing the UID and manufacturer's ID is write-protected. In the offered cards, it is possible to programmatically modify the memory block no. 00. To modify the factory record, software and the ACR122U reader are required.

Copying MIFARE cards

The offered proximity cards enable copying the full content of the memory of MIFARE S50 Classic cards, including the first factory block.

Software for modifying the UID of the MIFARE 1k card

The software enables:

- modification of the first block of memory containing the UID of the card

- making a complete memory dump of the card

- restoring the memory dump made on the card (cloning the MIFARE 1k card)

The software is delivered upon purchase of min. 10 pcs.

The software requires ACR122U reader and Windows operating system.

Application

MIFARE 1k cards with programmable UID are used where it is necessary to clone/back up MIFARE Classic S50 1k proximity cards.

Compatibility with RFID standards

ISO 14443A

More information about NFC technology can be found on our blog