RF-chip: NTAG213, NTAG216, M1 S50, ensfh. RF frekwinsje: 13.56MHz Communication protocol: ISO 14443 typeA Sensing distance: 1~8 cm Material: ABS, PVC, Epoxy Dimensions: φ25mm, φ28mm, φ30mm, φ35mm, φ42mm, 35× 35 mm, 20× 30 mm, 22× 45 mm, 54×85.5mm, ensfh, can be customized Shape: rûn, square, rjochthoekich, ellipse, unregelmjittige foarm, cartoon shape, ensfh. can be customized Production process: four-color printing, silk skerm, surface printing number, LOGO, …