... 7 inch GPS,3.5G mobile data terminal cab dispatching, taxi dispatching system multi IO ports Hardware SpecificationsProcessor Samsung ARM 11 667MHz CPU CoreOS WINCE ... /2100MHz, GPRS/EDGE, data & voice, 150 pcs/reelGPS Module Inbuilt GPS Module, ... with 2 x serial ports, 1x 4 isolated IO (RJ45) 2x USB device, ... mobile data terminal, cab dispatching,taxi dispatching system,3.5G/GPS 7 inch MDT701,RS232 IO ...