4 Best Cable Modem Router Combo With Phone Jack 2026 in the United States

The Motorola MT8733 is a solid choice for those in need of a cable-modem-router combo that includes VoIP functionality, particularly for users with Comcast Xfinity service. Its compatibility with Xfinity’s internet and voice services ensures efficient operation, making it an ideal pick for Xfinity customers looking to maximize their internet and phone capabilities. With DOCSIS 3.1 technology, it supports speeds up to 2.5 Gbps, which is excellent for heavy internet users, gamers, and households with multiple devices connected simultaneously.

One of the standout features is its 2.5 Gigabit Ethernet port, which allows for ultra-fast wired connections alongside three additional 1 Gig Ethernet ports. The WiFi 6 capability delivers remarkable wireless performance, ensuring fast and reliable connections throughout your home. The inclusion of two phone ports makes it particularly beneficial for those who want to take advantage of Xfinity's voice services, offering features like caller ID and call forwarding. Additionally, the Smart Motosync app simplifies setup and ongoing management, making it accessible even to less tech-savvy users.

There are some limitations to consider. The MT8733 is exclusively compatible with Xfinity services, meaning those with different internet or phone providers will not be able to utilize this device. While it boasts impressive speeds, achieving close to the maximum speeds may depend on various factors such as the quality of your internet connection and how far you are from the router. The performance is strong, but users should be mindful of the price point. Although it can save you the cost of renting a modem, there is an upfront investment. In conclusion, the Motorola MT8733 is a robust option for Xfinity users seeking a cable modem and router combo with phone capabilities, though its compatibility is limited to one ISP and it may come with a higher initial cost.