For a bit more detailed wifi specs:
https://support.apple.com/guide/deployment/macbook-pro-wi-fi...(It is not updated for the new models yet).
However, for 2020 & 2021 models is nothing out of ordinary: 2x2 ax, max 80 MHz wide channels. Basically what every other vendor at the market offers.
During 2019, they went a step backwards: from 3x3 MIMO to 2x2 MIMO. Granted, many APs do not support more than 2x2, but there are models on the market that do, and those who care about these things had a choice. Now, it is join the averages.