DVB-S2 With 8PSK and 2/3 code rate would give 111 kbps at 56 kbaud. With 0.2 rolloff, the signal would be 67.2 kHz wide. The article is using FSK with a bandwi

DVB-S2 With 8PSK and 2/3 code rate would give 111 kbps at 56 kbaud. With 0.2 rolloff, the signal would be 67.2 kHz wide. The article is using FSK with a bandwidth of at least 300 kHz, so it's not legal in the US (for data only).