MIFARE Ultralight® Compatible UID Modifiable

Description

The Generic MIFARE Ultralight® Compatible UID Modifiable card is intended for authorised security assessments, RFID research and training. Its writable memory and changeable UID allow security teams to create controlled test credentials and evaluate how systems handle card identification. Use only with systems and data where you have permission.

Key features

• Compatible with MIFARE Ultralight® systems
• 7-byte UID that can be modified multiple times
• User-writable memory for controlled test data
• Gen 1a chip generation
• One card supplied per pack

Technical details

• Chipset: MIFARE Ultralight® Compatible
• User-writable memory: 48 bytes across 20 pages
• UID size: 7 bytes
• UID modification: supported multiple times
• UID writing may require unlocking; direct write to Block 0 is listed as a one-time write function

Compatibility and setup

The card is listed as compatible for UID reading, writing and configuration with Flipper Zero, Proxmark, iCopy-X, LibNFC and ChameleonUltra. Android and iOS use is listed with MTools or the MIFARE++ Ultralight library. ChameleonUltra use requires MTools Premium. Check the software and device documentation before writing data, as incorrect UID-related values can prevent detection and may require recovery procedures.

Buying in the UK and EU

This Generic card is available to UK and EU buyers with prices shown in GBP, EUR or USD, with VAT handled at checkout. RFID testing must be authorised, and any access-control, privacy, import or export requirements should be reviewed before use.