UID Rewrite Changeable 13.56mhz Smart IC Key Tag Writable Zero 0 Sector 0 Block GEN1 Back up S50 1k Card for ACR122U-A9 Device Copier Clone 10pcs/lot by XCRFID

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About This UID Changeable Zero 0 block rewritable with 4 byte UID. You can through our UID Card Tools read out the dump file , Then back up . The UID Number will be changed Please Noticed: It supports original ACR122U-A9 Read Write and Copy Cards. Please make sure you know how to use it before purchase !!! Working frequency is 13.56MHz. Compatible with all kinds of door access control system Rewrite Writable Smart IC Tag , 1K byte EEPROM Memory , Copy card. Fully compatible to MFClassic 1K,4 byte UID, organized in 16 sectors of 4 blocks, compliant to ISO/IEC 14443A protocal. THIS ITEM IS NOT INTENDED FOR USERS UNDER 12 YEARS OLD ! Overview Scanner Type : RFID scanner Brand : XCRFID Model Name : MF1K Key Tag Connectivity Technology : USB Resolution : 10000 Minimum System Requirements : Windows 7 Maximum Media Size : 3.37 x 2.125 inches Unit Count : 10.0 Count Number of Items : 10 Minimum Required Operating System Version : Windows 7 Show more