4 ms·Many cable channels are using DVB-S2 8PSK at 5/6 rate. That would be 110 Mbps in 54 MHz (45 Msyms/s).by drmpeg 7y agoMany cable channels are using DVB-S2 8PSK at 5/6 rate. That would be 110 Mbps in 54 MHz (45 Msyms/s).