Undetectable MIFARE Classic® Compatible 1K – One Time Write UID

Description

This Generic MIFARE Classic® Compatible 1K One Time Write UID tag is designed for authorised access-control assessments, RFID research and security education. Its 4-byte UID can be written once, after which the tag operates as a standard compatible card for subsequent authorised testing and data-writing tasks.

Key features

• One-time UID writing: configure the 4-byte UID once only.
• 1K memory: suitable for compatible MIFARE Classic® 1K test data.
• Gen2a design: Gen 2 OTW chip generation.
• Reusable data storage: card data can be read and written after the UID has been set, subject to the tool and card configuration.
• Key-ring format: red tag format for convenient handling in test equipment and field exercises.

Technical details

• Chipset: MIFARE Classic® compatible
• Memory: 1K
• UID: 4 bytes
• UID modification: one time only
• Chip generation: Gen 2 OTW, also referred to as Gen2a

Compatibility and setup

The tag is listed as compatible with Flipper Zero, Proxmark, iCopy-X, LibNFC, Android and iOS tools. MTools is recommended for Android and iOS use, while ChameleonUltra use requires MTools. Confirm reader, software and firmware compatibility before deployment. Set the UID only after checking the authorised test configuration, because it cannot be changed again.

Buying in the UK and EU

RedKit Labs offers this Generic item for UK and EU security professionals, with prices displayed in GBP, EUR or USD and VAT handled at checkout. Use RFID tags only with permission from the system owner and review applicable access-tool, data-protection and local legal requirements before testing.