ACR122u A9 Dope Reader Writer For Rewritable UID Changeable Cards Zero Block Sector Copier Duplicate 7 Byte UID Changeable Card S50 MF Ultralight Cards With Card Tools For Developers
✔️ CCID/PC/SC NFC reader with 7-byte UID change and ISO 14443 A/B support
The compact NFC reader/writer is a PC-connected tool built for developers working with 13.56 MHz cards. It supports ISO 14443 types A/B and all NFC Forum tag types, enabling read/write operations and UID-changeable rewritable cards for testing and prototyping in access control, loyalty, and ticketing projects.
✅ CCID-compliant and PC/SC-friendly for seamless integration
✅ Reads ISO 14443 Type A/B, MIFARE Classic/Ultralight, DESFire, FeliCa
✅ Supports 3 modes: reader, card emulation, peer-to-peer
✅ Built-in antenna, contactless read distance up to 50 mm (tag dependent)
✅ Includes: 1 reader, 2x 4-byte UID cards, 2x UID tags, driver CD
💡 What is an NFC reader/writer used for with UID changeable cards, and how does it help developers? Handy for rapid prototyping and testing UID features.
- CCID/PC/SC ready for easy software integration
- ISO 14443 A/B and NFC tag support for broad compatibility
- UID changeable card support for testing security and access control
- Includes sample UID cards for development