A memorandum when setting up a Wi-Fi router.
Here is the setting.

• WXR-5950AX12: Wi-Fi Router: AirStation | Buffalo

Feature

• Compatible with new standard Wi-Fi 6
• Two antennas in one antenna (dual of 5GHz and 2.4GHz + 5GHz)
• Compatible with WPA3 Personal
• Relay function (WB) * Must be the same product
• Function to set 2.4GHz and 5GHz to the same SSID and distribute according to the congestion situation (hand steering function)
• Interference wave automatic avoidance

What is WPA3

Announced on June 25, 2018.
There are WPA3-Personal and WPA3-Enterprise.
Enhanced security for WPA2. Adopted a method (SAE) that does not eavesdrop even if the common password is leaked.

• Wi-Fi Protected Access-Wikipedia