... port devices such as camera, DVR, LCD, barcode or RFID reader and printer etc; 2 switch inputs, 2 analog inputs, 4 ... application for car, taxi, bus, truck, van and trailer etc.Special and Unique:Connect to RFID Reader, Cameras, LCD, Printer, DVR,etc. Mileage ... frequency GSM 900/1800 /1900MHZGPS chipSirf-Star III (super-sensitivity and high accuracy )Hot start1 sec, averageWarm start38 sec, averageCold ...