https://www.cnet.com/news/motorola-moto-g7-is-now-available-on-google-fi-for-50-off/

It was last November when Google announced it was expanding its network and rebranded Project Fi into Google Fi. The service starts out at $20 per month for unlimited calls and text messages. Google charges $10 a month for each gigabyte of data used up to 6GB after which all data is free.

You can preorder the Moto G7 for $249 on Google Fi's website.