Dell Studio 16 1640 System Motherboard 31RM2MB00000P835D - P835D31RM2MB0000DA0RM2MBAH0 REV:HPWB R983D REV:A02Intel MotherBoardThis motherboard Has Antenna-in connector(Connects to an external antenna, through a MCS connector, to view programs using the TV Tuner card)