Zoom Telephonics ADSL WiFi Modem/Router with 4 Ethernet Ports (5792) (Not for Cable) Combines a 27 Mbps ADSL modem with a wireless-n router that has four Ethernet LAN ports. Features easy setup for CenturyLink and other service providers. Includes a DSL splitter and Ethernet cable. This modem/router typically saves $6.99 a month on the rental fees charged by CenturyLink for ADSL modems. (Model 5792 is not designed for use with fiber or VDSL service. If your CenturyLink service is 12 Mbps or greater, then you have fiber or VDSL service). Installation is easy. Plug Model 5792s phone cord into a phone line with CenturyLink ADSL service, plug in Model 5792s power cube, and use a drop-down menu selection for CenturyLink. If you are using the same phone jack for the modem/router and a phone, use the DSL splitter that comes with Model 5792. Combines a 27 Mbps DSL modem with a wireless-n router that has four Ethernet LAN ports. Features easy setup for CenturyLink and other service providers. Includes a DSL splitter and Ethernet cable. Produced by Zoom Telephonics, a US public company founded in Boston by two MIT engineers in 1977. It is proudly backed by skilled customer support specialists in the USA.