You want to connect a PC, Laptop, SmartTV whatever to the network. You do not want or You cannot use Ethernet cable connectivity. So You think You can choose this option and use the Lidl Silvercrest repeater.
What is the setup ? You have to configure it in client mode. When asking about an IP adress (LAN interface setup), it does not matter. This is just for to be able to access the repeater. For DHCP, configure it with “Server”.
You have to configure the wireless connectivity with Your credentials for to connect it to the router. of course. The Wireless Info box should show the status “connected”.