RF chip: NTAG213, NTAG216, M1 S50, ਆਦਿ. RF ਬਾਰੰਬਾਰਤਾ: 13.56MHz Communication protocol: ਆਈਐਸਓ 14443 typeA Sensing distance: 1~8 cm Material: ਏ.ਬੀ.ਐੱਸ, ਪੀ.ਵੀ.ਸੀ, Epoxy Dimensions: φ25mm, φ28mm, φ30mm, φ35mm, φ42mm, 35× 35mm, 20× 30mm, 22×45mm, 54×85.5mm, ਆਦਿ, can be customized Shape: round, square, rectangular, ellipse, irregular shape, cartoon shape, ਆਦਿ. can be customized Production process: four-color printing, silk screen, surface printing number, ਲੋਗੋ, …