Circle 30mm diameter NTAG215 NFC tag Product Name: Circle 30mm diameter NTAG215 NFC tag NFC Chip: NTAG215 Frequency: 13.56Mhz/HF Protocol: ISO 14443A Total Memory: 504 bytes Available NDEF Message Size: 496 bytes NFC Forum Type: Type 2 Dimensions: 30mm diameter Material: Paper Option Chip: Ntag203/213/215/216