Just found this post on how to use multiple Nest Wi-fi routers for your
home....https://blinqblinq.com/can-you-use-two-google-nest-wifi-routers-together/
Hope this helps....but note I am guessing you don't have a point unit
but a second router.
I too took advantage of what I thought was a good offer from T-Mobile
Home Internet, and ordered what I assumed were Google Mesh Router &
Point system...but received only routers. Take a look at both your
units...the point should have speaker holes a...