descripton

5YOA CUID Gen2 Cards Rewritable Smart Key NFC Clone Badge 13.56Mhz Duplicator Copy Token RFID Changeable 1K S50 ISO14443 Tag Specifications: 1,UID card block 0 (UID's block) can be modified arbitrarily. 2, card of the default password for 12 F,FFFFFFFFFFFF. 3,Support android phone NFC modify UID, the software is MCT, Note:Common 13.56mhz rfid reader writer cannot write the CUID cards! NFC andriod APP(MCT), acr122U,iCopy3/8,X100, PM5/Pro,300CD,Proxmark 3 support write CUID cards. Features: chip: CUID frequency:13.56MHz protocol standard:14443a Operating temperature: -20 to +60°C Data Retention Time: 10 years Typical Applications: patrol,attendance, access control systems,business card, bus card,highway