... 2.Credit card reader,MSR,ICR 3.Windows CE OS 4.3G,Printer,barcode,free SDK,C# 5.3.5 Color touch screen 3.5 ... " Color touch screen payment terminal,Windows CE 6.0 OS,Credit ... AES encodingMaster/session and DUKPT key managementPCI 3.1 certified security architectureSection (Department)Section number ... . Range 3.5" Color touch screen payment terminal,Windows CE 6.0 OS,Credit card ...