1,CUID card: upgrade the copy card, and the system that shields the UID copy card can use CUID instead of UID, 70% Passing rate. All sectors can be rewritten repeatedly.
2, block 0 directly with normal mif read-write device modification.
3, card of the default password for 12 F,FFFFFFFFFFFF.
4,Support android phone NFC modify UID
Chip: CUID
Material: ABS
Function: can change chip internal code, and can write 0 blocks and sectors
Operating frequency: 13.56 MHz
Communication rate: 106KBoud
Reading and writing distance: 2.5~10cm
Reading and writing time: 1~2ms
Operating temperature: - 20 ℃～ 85 ℃
Erase life:>100000 times
Data preservation:>10 years
Application scope: access control, attendance management, parking lot management, identity authentication, all-in-one card payment, product identification, etc.

Package Included：2Pcs

Note:
1. Due to manual measurement, please allow an error of 1-3mm.
2. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.