Thank you for your extensive answers, now i have more questions than before :-D Due to time and energy i tend to an out of the box, non OSS solution. I’ll keep you updated on my decision and how it went

This is a great community.

This is definitively a solid and straight forward plan, i like.

Good Point, right now i prefer a plastik box for convenience. Unify and Fritzbox are already my shortlist.

Thank you

Bei so einer Anfrage müssen auch die eigenen Daten angegeben werden, da der Prüfbericht postalisch zugestellt wird. Danach habe ich dann auch Post vom Anwalt des Restaurants erhalten. Die haben gar nicht mal so höflich nachfragt was das soll.

I’m happy with my super small wallet for 5+ years: https://www.i-clip.com/96/i-clip-original-soft-touch?number=IC_111_R11_C121400