DVB-S2 is a more modern standard for Satellite communications than DVB-S, which most FTA receivers support. The standard includes both QPSK and 8PSK modulations and FEC values up to 9/10, among other things.
You need a compatible receiver , and a precisely aimed dish, typically, to pick up the DVB-S2 signals. Among the boxes that support DVB-S2 are the Coolsat8000/8100, Pansat 9200, Vantage 1100S HD, AZbox HD Elite, and some other HD fta boxes. Googling will give you a lot more info, and searching the forums on DVB-S2 will give you a lot of info, too.