... RDR ar 18bpp mode with resolution 800X480 or equvalence3.5G Module U-Blox 3.5G HSDPA 800/850/900/1700/1900 ... /2100MHz, GPRS/EDGE, data & voice, 150 pcs/reelGPS Module Inbuilt GPS Module, U-Blox 50 channels Support active antennaChassis Provide ABS ... dispatching,taxi dispatching system,3.5G/GPS 7 inch MDT701,RS232 IO ports