LEXI 20pcs Rewritable UID Smart Card, 13.56MHz Changeable RFID PVC Blank Card for 1K S50 MF1 Mi-fare Door Access Control, Block 0 Sector
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1. Working frequency is 13.56MHz. Compatible with all kinds of door access control system.
2. Support read, write and copy, over 100, 000 rewrite times.
3. Each card with a unique encrypted ID number, can be reprogrammed.
4. Suitable for 13.56MHz card reader and reading distance is 0-10cm (0-4inch).
5. Fully compatible to MI-FARE Classic 1K,4-byte UID, 1K Byte memory, organized in 16 sectors of 4 blocks, compliant to ISO/IEC 14443A protocal.
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