RF chip: NTAG213, NTAG216, M1 S50, Tus qauv USB-Wiegand converter tuaj yeem paub txog. RF zaus: 13.56MHz Communication protocol: ISO 14443 typeA Sensing distance: 1~8 cm Material: ABS, PVC, Epoxy Dimensions: φ25mm, φ28mm, φ30mm, φ35mm, φ42mm, 35×35mm, 20×30mm, 22×45mm, 54×85.5mm, lwm yam., can be customized Shape: round, square, rectangular, ellipse, irregular shape, cartoon shape, Tus qauv USB-Wiegand converter tuaj yeem paub txog. can be customized Production process: four-color printing, silk screen, surface printing number, LOGO, …