20/50/100 Pcs 13.56Mhz Uid Changeable S50 1K Nfc Coin Card Sector 0

Model Number : YX-UIDQBK-50/100 Brand Name : YEVERAXIN Certification : CE Origin : Mainland China Frequency : 13.56Mhz Rewrite Times : 100,000 chip : UID UID Changeable 13.56MHz Block 0 Sector Writable IC Card Clone Smart Coin Card 1K S50 RFID Access Control 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 #39;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 Size: 25MM round Initial Key: FFFFFFFFFFFF (12F) Note:It can not revised UID by phone 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 , Proxmark3,iCopy3/5/8 to write a specific card. Confirm your purchase before you write the default machine to support a specific card.