If you prefer a single device that handles both the internet signal and Wi-Fi broadcasting, consider these gateways: Choosing the Right Cable Modem or Gateway - Cox
modem is the recommended standard because it offers superior stability and is required for high-speed tiers like "Go Super Fast" (1 Gbps) and "Go Beyond Fast" (2 Gbps). Top Modem Recommendations at Best Buy cable modem for cox best buy
A highly used DOCSIS 3.1 modem on the Cox network. It is designed for maximum heat dissipation and is certified for plans up to 1 Gbps. : ~$199.99 ARRIS SURFboard S33 If you prefer a single device that handles