br TBS 6984 PCI-E DVB-S2 Quad Tuner TV card supports 4 DVB-S2 TV channels receiving synchronously, which enables you to watch channel from one transpondersatellite while recording another 3 channels from another 3 transponders satellites. Or you can download data from 4 transporders satellites in the same time.TBS6984 is ideal for building HTPC under Linux MythTV, VDR, XBMC and Windows 7 Media Center.