Here is difference between DVB-T / DVB-T2 and DVB-S / DVB-S2 Signals ?
1.DVB-S / DVB-S2 signals can be receive direct from satellite, as you can understand by abbreviation for DVB-S ( Digital Video Broadcasting-Satellite).
2. DVB-T /DVB-T2 can not receive signals from satellite, these signals can be receive from local nearest TV Tower which work on radio frequencies. as you can understand by abbreviation for DVB-T ( Digital Video Broadcasting-Terrestrial ).
3. DVB-S2 is latest technlogy of DVB-S while DVB-T2 is latest technlogy of DVB-T.
4. Any Satellite receiver can not receive DVB-T signals because these are radio frequencies. Also any Terrestrial Receiver can not receive signals from satellite (DVB-S).
5. DVB-T / DVB-T2 technology is best for local broadcasting, these frequencies can be receive by direct Television via RF input.