TBS6984 PCI-E DVB-S2 Quad Tuner TV card supports 4 DVB-S2 TV channels receiving synchronously, which enables you to watch channel from one transponder/satellite while recording another 3 channels from another 3 transponders / satellites. Or you can download data from 4 transporders / satellites in the same time.It supported by DVBDream, DVBViewer, DVBlogic, ProgDVB, Skynet, Tsreader etc