Main technical parameters Chip: NTAG413 DNA(NT4H1321) Communication protocol: ISO14443 Working frequency: 13.56MHz Read/write memory: 160-byte Read and write time: 106Kbits MS Wiping life: 10w times Sensing distance: 2-8cm Data storage: >10 years Working temperature: -10°C~+65°C Number of erasing: >100,000 times Material: PET/coated paper Specifications: diameter 26/30/35mm or custom Other production processes: surface printing graphics, QR kodi, etc..