RF chip: NTAG213, NTAG216, M1 S50, etc. RF maqhubu: 13.56Protocol ea Mhz: ISO 14443 typeA Sensing distance: 1~8 cm Material: ABS, PVC, Epoxy Dimensions: φ25mm, φ28mm, φ30mm, φ35mm, φ42mm, 35× 35 limilimithara, 20× 30 limilimithara, 22× 45mm, 54×85.5mm, jj., can be customized Shape: Round, square, sekhechana, ellipse, irregular shape, cartoon shape, etc. can be customized Production process: four-color printing, silk screen, surface printing number, LETŠOAO, …