






🔐 Clone, Customize, Control — Unlock your access game!
The UID Changeable MF1 1K Key Tag is a rewritable smart IC card featuring a unique 4-byte UID that can be customized via dedicated tools. With 1K byte EEPROM memory organized into 16 sectors and 4 blocks each, it supports up to 100,000 rewrite cycles and operates at 13.56MHz frequency. Fully compatible with ISO/IEC 14443A protocol and ACR122U-A9 readers, it’s the perfect solution for replacing lost M1 cards without re-enrollment, ideal for access control, loyalty, and ticketing systems.
| ASIN | B0748DBKW2 |
| Best Sellers Rank | #829,414 in Electronics ( See Top 100 in Electronics ) #802 in External Memory Card Readers |
| Brand | XCRFID |
| Brand Name | XCRFID |
| Connectivity Technology | USB |
| Manufacturer | XCRFID |
| Media Type | rfid |
| Minimum System Requirements | Windows 7 |
| Model Name | MF1K Key Tag |
| Network Connectivity Technology | USB |
| Resolution | 10000 |
| Scanner Type | RFID scanner |
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