... , GPRS/EDGE, data & voice, 150 pcs/reelGPS Module Inbuilt GPS Module, U-Blox 50 channels Support active antennaChassis Provide ABS ... ix USB host , 1x DC Power port and 1x Power switch , 1x Microphone Jack, 1x Buzzer Port Built-in metal or ... Management DC9V~DC36V power requirement with short-circuit protectionOperating Temperature -30 °C ~ +80 °C Business applicationCab/taxi dispatching, navigation…Any ...