Question about Swisscom WLAN Box 3

Hello Is this WLAN Box 3 compatible with the Internet Box 3 for copper and fibre optic connections if the plan is with Wingo? Does the supplier play a role, or does the box only work with Swisscom? Can I switch off the WLAN on the Internet box and the WLAN will continue to run on the WLAN box or will it then also switch off? I would connect the boxes to each other via LAN. Have a nice day