5-Pack RFID Keyfobs 13.56MHz UID Changeable Writable Block 0 Key Tags for Cloning & Copying

Introducing the 5YOA FUID Blank Key Tag—a versatile solution for secure and contactless access control. Engineered with a contactless IC chip, this key tag operates at a frequency of 13.56 MHz, adhering to the ISO14443A protocol. Designed for efficient read-write operations, it boasts a 1k byte EEPROM memory.

The tag features a unique FUID card block 0 which allows modification once, ensuring secure data storage. After writing, block 0 is locked for enhanced security. The key tag has a read distance of 0 to 10 cm, depending on the R/W device, and comes in a compact 33x41 mm PVC design.

Perfect for various applications, this product is available in a set of five and provides reliable access control paired with the convenience of contactless technology.

### Summary of Features:
- Brand: 5YOA
- Frequency: 13.56 MHz
- Protocol: ISO14443A
- Memory Capacity: 1k bytes EEPROM
- One-time Writable: Once written, block 0 is locked
- Read Distance: 0 ~ 10 cm
- Material: Durable PVC
- Dimensions: 33x41 mm
- Includes: 5 pcs FUID Changeable Keyfobs