1.GSM/GPRS POS for portable 2.Cable MODEM, GPRS, CDMA, 3.1D Laser,1D/2D Imager Barcode scanner 4.WiFi GSM/GPRS POS for PortableFeatures: 1 ... programmable keyboard passwordBuilt-in modemRJ11,PSTN modemcommunicationCable MODEM, GPRS, CDMA, TCP / IP (Internet POS)InterfaceMini-USB,RS232Security ModuleEmploys DES and 3DES algorithm, DUKPT ...