... OS 4.3G,Printer,barcode,free SDK,C# 5.3.5 Color touch screen 3.5" Color touch screen payment terminal,Windows CE 6 ... GPRS,Touch screen.2.Option configuration:RFID,Camera,GPS,WIFI/Bluetooth,1D barcode scanner,2D barcode scanner,power adapter,CDMA, ... and internal GSM/GPRS and GPS antennaPrinter2’’ Thermal printer feature58 mm paper widthSecurityDES, TripleDES, RSA, AES encodingMaster/session and DUKPT ...