This is a refurbished NETGEAR Nighthawk CM3000 cable modem. This is a standalone DOCSIS 3.1 cable modem featuring mid/high-split technology designed to deliver download speeds up to 2.5Gbps and upload speeds up to 1Gbps.Key Specifications & FeaturesTechnology: DOCSIS 3.1 with mid/high-split support for significantly faster upload capacity.Ports: One 2.5Gbps Ethernet port and two 1Gbps Ethernet ports (supporting link aggregation).Compatibility: Works with major U.S. cable providers like Xfinity, Spectrum, and Cox (not compatible with bundled voice/landline plans).Design: Standalone modem with no built-in WiFi; meant to be paired with a high-performance router or mesh system.