Upgrade your home network with this NETGEAR Nighthawk CM1200-100NAS DOCSIS 3.1 Cable Modem. This modem device is perfect for cable modems and routers, with a maximum downstream data rate of 4Gbps and wireless connectivity. It has Ethernet (RJ-45) ports for easy wiring and is compatible with DOCSIS Standard 3.1.This NETGEAR modem device is in great working order and is ready to be installed in your home.