Specification Card Size: 85.6 x 54 x 0.84 mm(0.76mm, 0.92mm or 0.98mm) Material: PVC, PET, PET- G Frequency: N/ A Chipset: SLE5542, SLE4428, SLE4442, AT24C01, AT24C02, AT24C04, AT24C08, AT24C16, AT24C32, AT24C64, AT24C128, AT24