The goal has been met for me, namely to improve the level. Otherwise, the type of cable management is a bit fiddly, one does not quite know where the soul is led (from the cable course ;-)). So screw and watch for now. This is clamped only on a piece of metal. Well, at least it works. The two shells are clamped in one go. Who then anschraubt the cover, which must in turn leave space between them so that the screw fits through. But what Antennendose can already easily be connected with the rigid cables ...