There is no way to tell one over the other when parameters seem valid for DVB-T and DVB-T2 and the adapter supports both. Reason to go with the former here is that, from experience, most DVB-T2 channels out there seem to use parameters that are not valid for DVB-T, like QAM_256 https://bugzilla.gnome.org/show_bug.cgi?id=765731
Gstreamer DVB Source GstDvbSrc makes it possible to view Digital TV with gstreamer. Try: gst-launch-1.0 dvbsrc frequency=11954 polarity=h symbol-rate=27500 pids=210:220 ! mpegtsdemux es-pids=210:220 name=demux ! queue ! mpeg2dec ! xvimagesink demux. ! queue ! mad ! audioconvert ! autoaudiosink to view the German 3Sat telestation from the Astra 1 19.2E satellite. DVB-C is untested, feedback is welcomed. gstdvbtv is not yet ported to 0.10