10Pcs NFC Coil UID Changeable RFID Card with Block Writeable Chip for 1K S50 13.56Mhz NFC Card

Features This coil 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 1 UID coil card block 0 UID s block can be modified arbitrarily 2 Block 0 directly with normal mf read write device modification don t need special equipment Package includeds 10 x NFC Coil Details pictures