RFID NTAG216 NFC Chip Card's EEPROM: –924 bytes, organized in 231 pages of 4 byte per page. –26 bytes reserved for manufacturer and configuration data –37 bits used for the read-only locking mechanism –4 bytes available as capability container –888 bytes user programmable read/write memory Can be rewritten URL, text, number into RFID NFC Cards by NFC Card Programmer, 13.56Mhz and ISO/IEC14443 Type A ISO standard, protocol.It widely used for payment, identify, date exchange, information share. Usually we see on RFID NFC market like Transparent NFC Business Cards, NFC Payment Card etc.