@Leonardo069 Thank you, will test it. I will look for an AVM Cable router anyways as the provided VDF router is not really a big one.

@Stella.Q Thank you for your suggestions. I`ll attach an overview with all WiFi Networks around. So no chance of better reception by changing channel. Bandwith is 20/40 so you cannot choose only 40....

I wish I could see how the adapter connects to the router. I have a Vodafone Station which supports 1GB/s and has both frequenzies active. How do I know if my adapter connects to 5GHz or to 2,4GHz?...

Dear, I switched provider and went from DSL to cable. Fortunately I can use a 1GBit/s line for a year for same price as lower bandwith. Connected the T3U to USB 3.0 on the backside of my pc and have...