Yes you can, but make sure it is compatible with your service. DSL speeds up to 12mb can be handled by a router or modem that supports ADSL. If you are on a GBOND or VDSL connection, your router or modem will have to support that. Windstream can advise you of the connection type and the basic settings your device will need. However, Windstream won’t know how to walk through setting up routers or modems that aren’t current ones provided by Windstream.