We have a KabelBW (3Play + HD + partially Sky - we use only Sky Crime no sport / league / Movies subscription)
After installation, everything was very simple. There is a very supportete page that actually answered the questions, incl. Docs and current firmware for the CAM module.
Installation / Set then was via TV in the Common Interface menu also easy, thanks to extensive Docs homepage.
A first attempt / report: It will all appear super and decrypted. Now let's see how the module is asserting itself in everyday life.