FAST SHIPPING! ..includes an Ethernet cable and AC adapter..The Netgear Nighthawk CM1150V is a high-performance DOCSIS 3.1 cable modem certified for Xfinity by Comcast Internet and Voice plans. It supports multi-gigabit speeds via link aggregation and features integrated telephone ports for home phone services. Core Specifications DOCSIS Version: DOCSIS 3.1 (backward compatible with 32x8 DOCSIS 3.0) Channel Bonding: 32 downstream and 8 upstream channels (2x2 OFDM) Maximum Performance Speed: Hardware capability up to 10 Gbps download and 1 Gbps upload (Actual speeds depend on ISP plan limits; typically certified for Xfinity tiers up to 800 Mbps or 1.2 Gbps) [Nighthawk-Multi-Gig-Speed [Interfaces & Connectivity Ethernet Ports: 4 x Gigabit Ethernet (10/100/1000 Mbps) portsLink Aggregation: Supports LAN port aggregation across two ports to double maximum wired speeds up to 2 GbpsTelephone Ports: 2 x RJ11 phone lines supporting Xfinity Voice (features call prioritization, 3-way conference calling, caller ID, and call forwarding)Coaxial Port: 1 x WAN coaxial cable connection...Physical & System Attributes Dimensions: 6.1 x 3.4 x 10.3 inches (155 x 87 x 261 mm)Weight: 1.33 lbs (603 g)IP Protocol Support: IPv6