Hello,
The 1st generation, eero and eero Pros' max rated transmit speeds are about 240Mbps at 2.4 GHz and about 600Mbps at 5 GHz. Over a wired connection, the max throughput locally is 1Gbps. Maximum wireless speeds are also dependent on the capabilities of the client device.
Thanks.
For more go to:-
Eero Setup
Eero Support
Eero Wifi Setup