20:th-Jul-2017, 16:03:49
As I understand it both will work but the UBT only works for 'DAB' while the U4D works for 'DAB+', and you want the latter.
2009 Insignia Sports Tourer / (EDS) Remap 202hp/475Nm / (OEM) DAB+ retrofit / (OEM) Foglights retrofit / (Focal) sound system