100pcs UID RFID Tag keyfob for Mif 1k s50 13.56MHz Writable Block 0 HF ISO14443A Used to Copy Cards
Buy 100 reusable RFID key fobs with writable Block 0 for MIFARE 1K S50 13.56MHz ISO14443A. Perfect for copying access cards, access control systems, and IoT security applications.
Key points
- Compatible with MIFARE 1K S50 chips
- Writable Block 0 for easy customization
- 13.56MHz frequency ensures reliable communication
- Perfect for cloning and duplicating access cards
- Durable plastic key fob design for everyday use View product presentation
Color: Blue

France
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Product presentation
Secure Your Space with 100 Programmable RFID Key Fobs – Clone, Customize, Control Access!
Enhance your access control systems with this pack of 100 high-quality RFID key fobs. Designed for compatibility with MIFARE 1K (S50) chips operating at 13.56 MHz, these reusable tags support ISO14443A standards and feature a writable Block 0 for customization. Ideal for duplicating existing access cards, securing entry points, or integrating into IoT-based security solutions, these durable key fobs offer reliable performance in both residential and commercial environments. Easily program and reprogram using compatible RFID readers, making them perfect for managing user access efficiently.
| Brand Name 5YOA |
| Chip Capacity 1k |
| Certification CE |
| High-concerned chemical None |
| Origin Mainland China |
| Frequency 13.56mhz |
| Model Number U |
| Power Passive Card |
| Chip Type Contactless IC Card |
| Read Range 0-3 |
| Recognition Mode Read-write |
| Contours Alien Card |
| Size 35*28*4mm |



















