Rbr20 mesh wired wireless

Good morning,
I have a rbr20 router and two rbs20 satellites.
I have a rbr20 router and two rbs20 satellites.
Ho un router rbr20 e due satelliti rbs20.
I have one rbr20 router and two rbs20 satellites.
Ho un router rbr20 e due satelliti rbs20.
At the moment the first satellite is connected via cable to the router and everything works.
I would like to make the second satellite connect to the first satellite wirelessly and then repeat the signal, but I can't. The second satellite always connects to the router, which is far away, giving me poor bandwidth values.
Maybe because the first satellite is connected "wired" and therefore the second satellite cannot hook up?
Before connecting it in wired mode I remember that the devices were connected in cascade without problems (by wireless):
Rbr20->1satell->2satell

How can I fix?
Thank you

Excuseme