All models of the Google Pixel 7 and Pixel 7 Pro support 5G but not all of them have the same 5G capabilities.
Google Pixel 7 Pro can't connect to 5G networks in Brazil - Google Pixel Community
Google Pixel 7a: A new owner's thoughts on the highest-resolution Pixel to date: Digital Photography Review
Google Pixel 7 Review
Google Pixel 7 Pro can't connect to 5G networks in Brazil - Google Pixel Community
Google Pixel 7 vs. Pixel 7 Pro: How to buy the right one for you
Google announces Pixel 7 and Pixel 7 Pro smartphones with second-gen Tensor SoC: Digital Photography Review
Google Pixel 7 review: Putting the 'smart' back in smartphone
Shop Google Pixel 7
The latest 5G standard is not supported by the Pixel 7 line - PhoneArena
Google Pixel 7, Deals & Contracts
How to turn off 5G on the Google Pixel 7a - Android Authority
Updated] Pixel 6 mobile network keeps dropping for some users
Google Pixel 7, Pixel 7 Pro Don't Support the Latest 5G Standard: Report