RF chip: NTAG213, NTAG216, M1 S50, etab. RF maiztasuna: 13.56MHz Communication protocol: ISO 14443 typeA Sensing distance: 1~8 cm Material: ABS, PVCa, Epoxy Dimensions: φ25mm, φ28mm, φ30mm, φ35mm, φ42mm, 35×35mm, 20×30mm, 22×45mm, 54×85.5mm, etab., can be customized Shape: round, karratu, rectangular, ellipse, irregular shape, cartoon shape, etab. can be customized Production process: four-color printing, serigrafia, surface printing number, LOGOA, …