USB port Credit Card Reader for window system:Windows98 SE, ME, 2000, ... ,need install CD driver Smart Card Interface:T=1, T=0 protocol support,Memory card support through SCM MCARD API ... Frequency up to 8 MHz (PPS, DI parameter),Support ISO/IEC 7816 Class A,B and C (smartcards working ... 4,protocol T=0 and T=1 microchipsSmart Card Connector:8 contacts - ISO 7816 location,100,000 insertions,Short circuit ...