Robust industrial level car 7 inch GPS,3.5G mobile data terminal cab dispatching, taxi dispatching system multi IO ... ar 18bpp mode with resolution 800X480 or equvalence3.5G Module U-Blox 3.5G HSDPA 800/850/900/1700/1900/2100MHz, GPRS ... car mobile data terminal, cab dispatching,taxi dispatching system,3.5G/GPS 7 inch MDT701,RS232 IO ports