Chip de RF: NTAG213, NTAG216, M1 S50, etcetera. Frecuencia de RF: 13.56MHz Communication protocol: Iso 14443 typeA Sensing distance: 1~8 cm Material: Abs, Pvc, Epoxy Dimensions: φ25mm, φ28mm, φ30mm, φ35mm, φ42mm, 35×35 ar mm, 20×30mm, 22×45mm, 54×85.5mm, etc., can be customized Shape: round, cuadrado, rectangular, ellipse, irregular shape, cartoon shape, etcetera. can be customized Production process: four-color printing, silk screen, surface printing number, LOGOTIPO, …