If I have Frontier 1 GB / second Internet, do I actually need to plug my laptop into a router via an ethernet cable for my download speed to actually reach 1 GB / second? Right now, I am using Wi-Fi.

If I have Frontier 1 GB / second Internet, do I actually need to plug my laptop into a router via an ethernet cable for my download speed to actually reach 1 GB / second? Right now, I am using Wi-Fi.