A four-port Ethernet router with Wi-Fi and a DOCSIS cable modem are combined in the Arris Sbg8300 Wifi Extender. On your Wi-Fi home or small business network, it offers ultra-high-speed Internet access using DOCSIS technology. You can use the four Ethernet ports or the 2.4 GHz and 5 GHz Wi-Fi connections on the sbg8300 to connect your computer and other network-capable devices. The coaxial cable connection in your home is used to connect the sbg8300.
