Quote Originally Posted by Sunny43.5 View Post
If you are connecting to your existing antennae which are usually twin Fakra connectors depending what year you will find reception pretty ordinary depending on what model aftermarket head unit you fit . Some of the Chinese ones are pretty ordinary as VW have "tuned "the antennae to their own head units and the use diversity technology in some as well . I found on our early T5s that AM was just nothing at our location 32 km from Brisbane centre FM was okay but again not as good as standard . Now the new Android one I fitted last week seemed even better than the early ones and even had DAB+ which was pretty impressive . If the antennae connection on the back of the head unit is the standard male into female style then you will need the adaptor as shown in your link . The original radio antennae in the front windscreen are powered as there is a small powered component right where the centre of the top of the windscreen is . I was told by a Auto Barn fitter that when they do some VWs they use a test light to find the right wire apparently you need to power the antennae from the new head unit . So they connect the head unit and then use the test light to probe the wires at the connection near the head unit one end of the test light is connected to 12volt acc and they probe the wires and once they find the right one the radio suddenly gets proper reception it may help .
Thanks Howard, I have not purchased anything yet, but when I do I will have to wait and find if the adaptor part is required. That's my understanding too; the adaptor gets its 12V (the blue wire) from the head unit to power the antenna. Sounds like DAB+ is worthwhile.

Cheers, Scott