Speed Up Your Wi-Fi on OS X by Setting the Best Channel

Akshata Shanbhag 12-11-2015

Switching to a unique Wi-Fi channel can give you an instant speed boost. If you’re on a Mac and need help figuring out what the best channel is, we have got you covered.


Hold down the Option key and click on the Wi-Fi icon in the menu bar. Now click on Open Wireless Diagnostics from the dropdown, or just open Wireless Diagnostics via Spotlight search.

With the diagnostics dialog active, click on Window > Scan. This displays another dialog, in which you’ll find an overview of your connection on the left. The ideal channels you can use are listed in that summary.


You’ll need to tweak your router settings How to Configure Your Router to Make Your Home Network Really Secure Default router settings put your network at risk, allowing freeloading strangers to squeeze nadwidth and potentially commit crimes. Use our summary to configure your standard router settings to prevent unauthorized access to your network. Read More  to switch to one of those recommended channels. To learn more about how channel switching works, read our guide to finding a unique wireless channel How to Pick the Best Wi-Fi Channel for Your Router What's the best Wi-Fi channel for your router and how do you change it? We answer these questions and more in this quick guide. Read More .

This method works on Mavericks, Yosemite, and El Capitan. While this should give you a noticeable boost in speed, there are other factors that might be causing a Wi-Fi slowdown 10 Common Misconceptions About Wireless Networks Today, we're going to bring networking to the forefront, and discuss 10 of the most widespread misconceptions about your home Wi-Fi network.  Read More , such as bad reception or interference.


Have you tried switching channels to boost Wi-Fi performance? Was there a noticeable difference in speeds after the tweak? We’d love to know in the comments!

Image Credit: Wifi Speed Performance by Gazlast via Shutterstock

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  1. Gretchen Macdowall
    November 13, 2015 at 1:38 pm

    The admin page for the Verizon router NEXT GEN BHR3 REV I ACTIONTEC does not offer an option to pick different channels for 2.5 and 5g. You can only pick 1-11. At least, I cannot find any other option.

    • Akshata Shanbhag
      November 15, 2015 at 9:31 am

      I don't have a solution for you, Gretchen :( But Google might!