Antenne Deutschland GmbH & Co. KG, a privately owned German company founded in 2018, operates Germany's second national DAB+ digital radio multiplex. Employing approximately 30 people as of 2023 and headquartered in Germany, the company, a joint venture between Absolut GmbH & Co. KG and Media Broadcast GmbH, provides a broadcast platform for various radio stations. This includes leasing transmission capacity to third-party broadcasters and operating its own network of national radio stations under the "Absolut Radio" brand from its studios in Garching. Advertising sales for the network are handled by its subsidiary, ad.audio GmbH, located in Hamburg.