1Pcs CUID Gen2 Smart Chip Changeable Wristband RFID NFC Rewritable Tag 13.56Mhz 1K S50 Copy Token Clone Iso14443a Badge

Specification:

1. CUID card block 0 (UID block) can be modified arbitrarily.
2. Block 0 can be modified directly with an ordinary IC reader/writer.
3. The default password of the card is 12F, FFFFFFFFFFFF.
4. Supports NFC modification of UID on Android phones, but does not support iPhone (but NFC on mobile phones is relatively unstable, we usually recommend using an RFID reader for reading and writing!)
5. Please confirm that your device supports writing to CUID card.

Frequency: 13.56 MHz
Protocol: ISO14443A
Capacity: 1k bytes EEPROM memory
Number of rewrites: 100,000 times
Modulation method: ASK Manchester encoding
Reading distance: 0 ~ 7 cm (depends on the card reader)
Material: silicone
Size: Please see the size chart on the details page for details