Unfortunately, I have no knowledge at all regarding technology, wiring, and general possibilities. However, I like to read up on such things because I do not like to rely blindly on any specialists. So thank you in advance for your ideas!
Mainly, my original idea is confirmed... divided and asked very simply for an absolute layman:
1) Internet & Telephone
First, in connection with the other necessary connections (gas, water), have a completely normal (copper?) line installed by Telekom and obtain DSL or the best possible internet there with my existing contract under the new address.
Cost: approx. 800 EUR. Due to the planned construction, I have already secured a "builder credit" of 300 EUR in my current Magenta contract. This results in net connection costs of only 500 EUR.
During the connection work, use the open floor to lay an empty conduit as suggested by the DG in preparation.
2) TV
- Either set up a satellite system, which will be "useless" from the activation of the DG onwards. (To what extent am I contractually bound to anyone here? Or is it really only the one-time costs and then I will also receive private channels?!). I actually have no desire to take out a new large two-year contract anywhere. If DG then goes faster than expected, I would be paying double forever.
- Or DVBT2? Or is that the same as satellite? Sorry, as I said, zero knowledge. In our current rental apartment, a white antenna cable simply comes out of the wall in two rooms and television works with it.