








🔑 Unlock the power of perfect cloning—never lose access again!
The XCRFID UID Changeable MF1 1K Key Tag is a rewritable smart IC card featuring a 1K byte EEPROM memory and a unique writable Sector 0 Block Zero, enabling exact UID cloning. Compatible with ACR122U-A9 readers and ISO14443A protocol, it supports up to 100,000 rewrites and user-defined access controls, making it an essential tool for secure, flexible access management across loyalty, ticketing, and identification applications.
| Manufacturer | XCRFID |
| Brand | XCRFID |
| Model number | XC19 |
| Package Dimensions | 11.81 x 8.76 x 1.9 cm; 45 g |
| Color | Blue |
| Material Type | Polyvinyl Chloride |
| Manufacturer Part Number | XC19 |
| Item Weight | 45 g |
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