... functions, the M3000 features GPRS/GSM, CDMA, LAN, Wifi and Modem networking capability. Also, provide many value ... swipeCommunication: GSM/GPRS module,900/1800MHz (CDMA, WIFI, dial-up modem optional)3xPSAM slot, 1 Sim slotBacklit graphic ... 18 silicone key, dust proofPort: 2 RS232, 1 PSTN (RJ11 56kbps Modem),1 Ethernet (10/100 BaseT), 1 ... -240VAC, 50Hz/60Hz Output 9VDC, 4A Wireless Mobile POS terminal