> I suppose it is the spread of DAB replacing VHF repeaters, but these > days VHF Radio 4 only seems to be reliable in towns, not in many of > the gaps in between. My car doesn't have a replaceable "head unit", > but has a USB power supply and a "line in" socket. Any advice on good > DAB add-ons? Or will I still find significant gaps in coverage?
Pure Highway 600. Also gives you a decent quality Bluetooth streaming setup and handsfree for your phone.
We use one in the Toyota Alphard camper, to save swapping out the JDM head unit.