If you've got an older router kicking around, give it a new job. DD-WRT lets you configure all sorts of things, thereby allowing for expanded functionality.

Your old router might be the sneaky culprit for your slow Wi-Fi: Here's what to do.

How to Change an AT&T 2Wire Router to Bridge Mode. AT&T 2Wire routers function as both routers and modems. You can disable the router functionality by placing the router in bridge mode.