Zoom Telephonics ADSL WiFi Modem/Router with 4 Ethernet Ports (5792), Compatible with CenturyLink (excluding VDSL) Compatible with CenturyLink and other popular ADSL protocols in the US. Not compatible with cable-based internet connections, VDSL, fiber, or AT&T-Uverse service. Combines a 27 Mbps ADSL modem with a wireless-n router that has four Ethernet LAN ports. Model 5792 includes an ADSL modem/WiFi router with 150 Mbps wireless-N and four LAN ports, power cube, DSL splitter, Ethernet cable, and Quick Start flyer Installation is easy. Plug Model 5792s phone cord into a phone line with ADSL service, plug in Model 5792s power cube, and use a drop-down menu selection for your service provider. With other DSLAMs, the top download speed is 24Mbps. Actual speeds also depend on the DSL service. If you are using the same phone jack for the modem/router and a phone, use the included DSL splitter