... , RS485, 3G, GPS optional, IP64 standard 7 inch Rugged WinCE computer with OS WinCE 6.0 or Linux 2.6.32Specifications ... :Extended CableDC adapterCD driveManualVesa 75mm rail slot(optional) Rugged WinCE computer with WiFi, Bluetooth, LAN, RS232, RS485, 3G, GPS optional ...