MIFARE Classic® Compatible 4K Gen3

Description

The Generic MIFARE Classic® Compatible 4K Gen3 is a rewritable NFC card for authorised access-control testing, security research and education. It supports modification of the UID and Block 0, allowing security teams to assess how their own readers and systems handle MIFARE Classic®-compatible cards. Use only with systems and credentials you own or have explicit permission to test.

Key features

• MIFARE Classic®-compatible 4K card format
• Selectable 4-byte or 7-byte UID
• UID can be modified multiple times
• Block 0 can be written using supported tools
• UID can be permanently locked after configuration
• Gen3 chipset generation

Technical details

• Chipset: MIFARE Classic® compatible
• Memory: 4K
• UID options: 4-byte or 7-byte
• Write method: APDU
• UID modification: supported, with an unlock step required
• Block 0 modification: supported

Compatibility and setup

Supplier-published compatibility includes Proxmark and iCopy-X for UID, read/write and configuration functions. Flipper Zero is listed for read/write use, while Android and iOS support is listed with MTools BLE. LibNFC is listed with raw APDU commands, and ChameleonUltra use requires MTools BLE. Tool support can depend on firmware, software versions and the specific reader, so validate the setup before an engagement. A failed configuration may leave a card temporarily undetectable.

Buying in the UK and EU

RedKit Labs lists this Generic card for UK and EU buyers with prices shown in GBP, EUR or USD and VAT handled at checkout. NFC cloning and access-control testing may be regulated or unlawful without permission, so confirm the engagement scope and applicable local laws before use.