... 3.Cable MODEM, GPRS, CDMA, TCP / IP (Internet POS)4.1D Laser,1D/2D Imager Barcode scanner5.Magnetic ... PSTN modemcommunicationCable MODEM, GPRS, CDMA, TCP / IP (Internet POS)InterfaceMini-USB,RS232Security ModuleEmploys DES and 3DES algorithm, ... 2D Imager Barcode scanner optionalProcedures upgradeSerial download, double-Duikao, dial-up / long-distance network to downloadSpecial featuresCalling bell, the ...