SAT>IP (aka Sat-IP) is a technology that converts satellite TV signals to IP (internet protocol) and distributes them in the home network.
The idea is that TV's with an integrated SAT>IP client, separate client box, mobile/tablet device or PC can be used without a TV receiver of their own. You can also benefit from this technology if your television connection is at the other end of the room, and you're not particularly keen on the idea of having cables all over your living room.