Product information

These cards are gen 2.

Gen 1 UID:

– Requires a computer with an external card reader
– For Windows, Linux, Arduino
– Compatible with programs such as libfc / mfsetuid (Linux) or Windows Mifare Tool
– These programs send a special unlock command to change the UID
– NOT compatible with Android/iOS

Gen 2 UID:

– Designed for use with Android
– The UID can be changed using the “Mifare Classic Tool” app
– Block 0, Sector 0 is directly writable
– Not directly compatible with libnfc

Specifications:

– Compatible with Mifare Classic 1k
– Modifiable 4-byte UID
– Rewritable memory
– Memory: 1024 bytes, of which 716 are writable

– Standard credit card format (86 × 54 mm)
– Color: white
– Frequency: 13.56 MHz