Redmi Note 7 can't connect to wifi range extender/repeater.

I have a Xiaomi Redmi Note 7. I have a problem connecting to my wifi repeater/range extender.

Main router: Asus RouterRT-N66U
Repeater: ASUS RP-AX58

My phone connects without problems to my main router.
All my devices, except for my phone, connects to my repeater.

In my networks list it shows:
Asus RouterRT-N66U (called ASUS 5G AND ASUS 2.4G).
ASUS RP-AX58 (called ASUS 5G_RPT5G AND ASUS 5G_RPT)
In the list the repeater is marked as saved (logged in correctly), but when choosing the...

Read more