Number of Network (RJ-45) Ports. Nighthawk DOCSIS 3.0 High Speed Cable Modem Router + Voice.The item "NETGEAR Nighthawk C7100V AC1900 DualBand Cable Modem Wireless Router for Xfinity" is in sale since Friday, February 16, 2018. This item is in the category "Computers/Tablets & Networking\Home Networking & Connectivity\Wireless Routers". The seller is "nothingbutsavings" and is located in LaGrange, OH. This item can be shipped to United States.