TBS6522 is a dual PCI Express TV tuner card that supports multiple digital TV standards including DVB-S2X / S2 / S / T2 / T / C2 / C / ISDB-T, four RF IN are independent with each other, with this multi- tuning cards, a transition between different digital TV signals is much easier, you only need to connect another signal cable instead of removing the card from your server. With two tuner, the TBS6522 enables you to watch TV channels from a transponder / satellite while simultaneously recording another channel from another transponder / satellite.