Rewritable and Read T5577 125KHz Flexible RFID Label Sticker is made of 125KHz rfid rewrite & read rfid chip with paper or flexible pvc ,pet material .The ATA5577 is contactless read/write idenficication IC for applications in the 125kHz or 134kHz frequency band .it will 363 bits EEPROM (11 blocks with 33 bits each) and compatible with the T5557/T5567 (they all have off-production) .T5577 rfid sticker also widely uses for hotel key tag sticker , access control , identification sticker .etc . Colos printing , serial number , barcode , UID print is available .