Product Description

Frequency: 13.56 MHz
Chip type: UID
Work mode: read and write
diameter：40mm
Thick:0.9mm
Read and write distance: 1-10cm
rewritable >100,000
Data retention(yrs): >10 yers

This card works the same as the normal IC cards, for 1K S50 standard. Only the Sector 0 Block Zero which is known as the Serial Number/Manufacturers Block(Chip UID) could be programmed to any UID you want.
Specification:
1,UID card block 0 (UID's block) can be modified arbitrarily.
2, block 0 directly with normal mif read-write device modification.
3, card of the default password for 12 F,FFFFFFFFFFFF.

Application:
Access control, hotel locks, staff attendance, school campus access, membership management, payment control, identification and security systems, parking lot entry and payment, social security management, transportation, municipal and ancillary service.