Hi, there is no DAB antenna included in the scope of delivery. In principle, any window DAB antenna should work. (Normally you could also throw it under the dashboard.) In my case, however, I bought an FM/DAB splitter from Blaupunkt to avoid having to lay a second antenna. (similar to this one:
Blaupunkt DAB-S-32a) I am super happy with the setup. There are different versions from Blaupunkt, depending on the connection and whether for an active or passive antenna. Greetings