... functions can be easily applied to smart card management application system3 Users do not care about the ... tax, business and other charges stored-value computer security management system.TypeGHC 815InterfaceRS232, Virtual USB Appearancesmall, beautiful, card easy ... 5542, SLE4418/4428, SLE4404, SLE4406 and so on Software support: Supported development environment MS-DOS under TURBO C, BORLAND ...