@Zschalberg You could use these controls for that purpose:

@FerreKijker No, you can't use a RE as a regular wireless router. RE450 has two working modes: Range Extender and Access Point. In both cases it will have access to your home network.

@frame0815 No, you can't use the EAP this way - check this thread.

@ch1ru If you plan to have Wi-Fi 6E capable devices you could go with XE75. Since it supports Wi-Fi 5 standard as well, there shouldn't be a problem with the Wi-Fi 5 backhaul: If you don't plan to...

@arphillips Have you tried with a different ethernet cable or plug the PC to the other M4 unit ? Sometimes bad cabling can cause such an issue - use a factory made CAT 5e/6 cables to be sure that you...

@adambesbes The X90 port can utilize up to 2.5 Gbps and no more. So even you have Cat 6a cables and the port is auto-sense you won't get more than 2.5 Gbps on your X90.