CABLE INTERNET ONLY: This modem works EXCLUSIVELY with cable internet service (DOCSIS). It will NOT work with fiber (Verizon FiOS, AT&T), DSL, satellite (HughesNet), or fixed wireless internet. | MULTI-GIG SPEEDS: Designed for internet plans 1 Gbps and faster. Supports up to 2.5 Gbps internet plans from Xfinity (2.33 Gbps), Spectrum (1 Gbps), and Cox (2 Gbps) - check your plan for best performance and confirm you have cable internet service. | MODEM ONLY - REQUIRES ROUTER: This cable modem has no built-in WiFi. Connect to a separate router or mesh system with 2.5 Gbps Ethernet port for full speed potential. | POTENTIAL RENTAL FEE SAVINGS - While some providers have reduced or eliminated modem rental fees, this modem can still provide cost savings and performance benefits. Check with your provider about current rental fees before purchasing. | GAMING & STREAMING OPTIMIZED: DOCSIS 3.1 technology with 2x2 OFDM channels reduces latency for smoother 4K streaming, gaming, and video calls. | TRUSTED BRAND + SUPPORT: 30+ years of networking expertise with technical support 7 days per week, warranty coverage, and easy product registration. | GET THE RIGHT MODEM: This cable Internet modem has no built-in WiFi, routing or Voice support. Check with your ISP to confirm compatibility with your Internet plan before purchasing.