1. Open a browser, go to 192.168.0.1.
2. Login with username:cusadmin, password:password
3. On the top menu, click on Wireless.
4. Click on 2.4Ghz, open the list of Wireless Channel, choose one, click on Save Changes.
5. Click on 5Ghz, open the list of Wireless Channel, choose one, click on Save Changes.

You may need to change several times to find the best channel for your wireless connection.