UID Tags Stickers Changeable Block 0 Writable 13.56Mhz RFID Access Cards Key Rewritable Duplicate Copy Clone 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. Specifications : Frequency: 13.56 MHz Protocol: ISO14443A Capacity: 1k bytes EEPROM memory Rewrite Times: 100,000 times Modulation: ASK Manchester coding Read Distance: 0 ~ 10 cm(depends on the Reader) Material: PVC+ glue sticker Size: 25MM round Initial Key: FFFFFFFFFFFF (12F) Note:It can not revised UID by phone MCT common 13.56 mhz rfid reader writer and nfc phone can not write the particular cards! Usually we use the ACR122u NFC reader writer, super reader ,300CD,PM5/Pro, Proxmark3,iCopy3/8 X100 to write a specific card. Confirm your purchase before you write the default machine to support a specific card. Please note that these are 13.56MHz UID tags and do not support 125KHZ frequency devices!
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