USB port Credit Card Reader for window system:Windows98 SE, ME, 2000, Server ... ,need install CD driver Smart Card Interface:T=1, T=0 protocol support,Memory card support through SCM MCARD API*,Communication ... parameter),Frequency up to 8 MHz (PPS, DI parameter),Support ISO/IEC 7816 Class A,B and C (smartcards ... working at 5v,3v and 1.8v) ,Support read and write on Smartcard with ISO/IEC 7816- ...