DTM 2026: What's behind the mysterious U-shaped piece on the roof?

A white U-shaped attachment mounted on the roof of most DTM cars first drew attention during the official pre-season test at Spielberg in mid-April. Interestingly, by last month's season opener at the Red Bull Ring, every car was fitted with the device, with a cable leading into the cockpit. As it turns out, for the first time this season, DTM cars are equipped with onboard antennas capable of ...