1. Support read, write and reprogram, over 100, 000 rewrite times.
2. Working frequency is 13.56MHz. Compatible with all kinds of RFID products and door access control system.
3. 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.
4. Suitable for 13.56MHz card reader and reading distance is 0-10cm (0-4inch).
5. Each card with a unique encrypted ID number, can be reprogrammed.