50Pcs Mi - fare Classic 1K RFID Cards M1 Classic 1K RFID Smart Cards 13.56MHz ISO14443A RFID Access Control Cards Hotel Key RFID Cards, for Access Control Hotel Key Security Systems

【High quality Mi-fare Classic 1K chip】Working frequency: 13.56MHz, 1K byte memory, ISO14443A protocol, password read and write protection, high scan strength, easy to program. Service life: 10 years, 100,000 writes. UID Can’t be changed and rewrite.

• 【High quality Mi-fare Classic 1K chip】Working frequency: 13.56MHz, 1K byte memory, ISO14443A protocol, password read and write protection, high scan strength, easy to program. Service life: 10 years, 100,000 writes. UID Can’t be changed and rewrite.
• 【Durable PVC Material】Made of high-quality PVC material, it is wear-resistant, waterproof and scratch-proof.with uniform thickness and excellent hand feel. Fits perfectly in wallets, card holders, and card printers.
• 【Double-Sided Printable (ISO Standard)】Blank white surface on both sides (no magnetic strips, no slots/holes, no printed numbers), compatible with all ISO standard desktop photo ID card printers (Evolis, Zebra, Badgy, Fargo, Magicard, DataCard). Note: NOT suitable for inkjet printers.
• 【Compatibility】Compatible with RC522 and PN532 readers, all RFID Chip are pre-programmed with a unique ID, 4-byte UID. UID cannot be changed, factory default key: FF FF FF FF FF FF, compatible with most access control systems.【Please ensure that your system is the same frequency 13.56MHz】
• 【Wide Compatibility for Multiple Scenarios】Perfectly works with KABA, SAFLOK, MIWA, ONITY locks and RC522/PN532 RFID readers; ideal for commercial access control, hotel key cards, office security, attendance systems and identification management. Important: NOT compatible with HID, Salto, Assa Abloy systems, Amiibo and Tagmo.