Facility password: FFFFFFFFFFFF Copy Card Compatible with M1 1K S50 Card Rewritable UID Changeable IC Card for 13.56MHz 13.56MHZ / ISO 14443, ISO 10536 0 Sector 0 block can be modified - UID Changeable Mi 1k S50 Smart IC Card -RFID 13.56MHz ISO14443A Induction (High quality Fudan chips made in China, fully compatible with ) - This card works the same as normal Mi cards. - Works exactly like the M S50, with 16 Sectors and 4 Blocks each Sector, but the Sector 0 Block Zero known as Manufacturers Block where the Chip UID is stored, can be re programmed to any UID you wish. It's advantage This is a perfect solution for a lost irreplaceable IC Cards ID, you don't need to re-enroll new cards. Just program this new Mi 1K's UID to the UID of lost card then you have a new Exactly the same card. Features: *User definable access conditions & password for each memory block *Organized in 16 sector with 4 blocks of 16 bytes each (one block consists of 16 byte) Specifications: *Frequency: 13.56 MHz *Protocol: ISO14443A * Capacity: 1k bytes EEPROM memory *Rewrite Times: 100,000 times *Read Distance: 0 ~ 10 cm(depends on the R/W device) *Material: PVC *Card Dimensions: 85*54*0.9 mm.