The Nexcom VTC 1020-PA, a compact, rugged and entry-level vehicle computer with Intel Atom® x5-E3930 processor dual core 1.3GHz, is dedicated for public transportation application in harsh in-vehicle environment. Because of the compact design, it is especially for the vehicles with limited space to locate the computer system, but without compromising with its space to scarify its features. VTC 1020-PA has 3 Audio-in and 3 Audio-out switchable that can be used as public announcement function, such as for driver, internal passengers and external passengers. Since it has 3 independant video ouput, it is flexible to provide different video conent in PIS application. VTC 1020-PA has on board CAN 2.0B and optional OBD interface (SAE J1939) for vehicle diagnostics and driver behavior management. An advanced GPS receiver supports GPS/Gloness/QZSS/Galileo/Beidou and optional dead reckoning module is also available. VTC 1020-PA features WLAN and WWAN wireless data and voice connectivity. With external SIM socket, it allows user to access SIM card conveniently. 12VDC output can be provided for external display with easy power wire arrangement. VTC 1020-PA is very suitable for public transportation application, such as local bus, shuttle bus, tour bus and highway bus.