Connection with a hybrid cable arrangement and a circuit board arrangement, having the following features: the circuit board arrangement comprises a first outer layer arrangement, a second outer layer arrangement and an intermediate layer arrangement, which are stacked on one another, wherein the intermediate layer arrangement is arranged between the first outer layer arrangement and the second outer layer arrangement; the first outer layer arrangement comprises at least one layer which is electrically conductive; the second outer layer arrangement comprises at least one layer which is electrically conductive; the hybrid cable arrangement comprises at least one dielectric waveguide system for the transmission of a radar wave in the frequency range from more than about 70 to a maximum of about 300 GHz, in particular from about 80 to about 150 GHz; the at least one dielectric waveguide system has a core and a sleeve, wherein the sleeve surrounds the core; the hybrid cable arrangement comprises a first conductor system for the transmission of energy and/or data, wherein the first conductor system is arranged adjacent to the at least one dielectric waveguide system; the first conductor system comprises an electrically conductive inner conductor arrangement, which is surrounded by a sheath; characterized by the following features: the circuit board arrangement comprises a first recess between the first outer layer arrangement and the second outer layer arrangement, as a result of which a cable receiving space is formed on a first side edge of the circuit board arrangement; the electrically conductive inner conductor arrangement of the first conductor system is inserted into the cable receiving space at the first side edge and galvanically connected to a first inner conductor connection region of the circuit board arrangement; at least the core of the at least one dielectric waveguide system is inserted into the cable receiving space at the first side edge and arranged on a waveguide connection region of the circuit board arrangement. the circuit board arrangement comprises a first outer layer arrangement, a second outer layer arrangement and an intermediate layer arrangement, which are stacked on one another, wherein the intermediate layer arrangement is arranged between the first outer layer arrangement and the second outer layer arrangement; the first outer layer arrangement comprises at least one layer which is electrically conductive; the second outer layer arrangement comprises at least one layer which is electrically conductive; the hybrid cable arrangement comprises at least one dielectric waveguide system for the transmission of a radar wave in the frequency range from more than about 70 to a maximum of about 300 GHz, in particular from about 80 to about 150 GHz; the at least one dielectric waveguide system has a core and a sleeve, wherein the sleeve surrounds the core; the hybrid cable arrangement comprises a first conductor system for the transmission of energy and/or data, wherein the first conductor system is arranged adjacent to the at least one dielectric waveguide system; the first conductor system comprises an electrically conductive inner conductor arrangement, which is surrounded by a sheath; the circuit board arrangement comprises a first recess between the first outer layer arrangement and the second outer layer arrangement, as a result of which a cable receiving space is formed on a first side edge of the circuit board arrangement; the electrically conductive inner conductor arrangement of the first conductor system is inserted into the cable receiving space at the first side edge and galvanically connected to a first inner conductor connection region of the circuit board arrangement; at least the core of the at least one dielectric waveguide system is inserted into the cable receiving space at the first side edge and arranged on a waveguide connection region of the circuit board arrangement.