... for smart card reader 3 Interface: LD/RS232/TTL interface how to use the Instructions 1, power GHC81X power, the lights flash ... readerIn the data transmission and storage cards can use during encryption algorithm ,such as ,DES or 3DES operations. Rich interface, it ... , FOXBASE, FOXPRO FOR DOS, CLIPPER, etc. Windows3X under 16-bit development platforms, such as: VB, Delphi, PB, VFP, FP VC, etc. ...