Which Google Mesh device is used with the T-Mobile Home Internet offer? is it the 6e version?

I can’t edit my reply.  I did see that there is an offer for Google Nest WiFi routers which can be added onto existing T-Mobile Home Internet.  I do not have an online account for my TMHI, so I am not able to see the details.  Fortunately, my gateway’s Wi-Fi signal reaches everywhere in my house.

If you can login to your account, maybe you can click through far enough to see.