10 Best Modems With Phone Lines 2026 in the United States

The NETGEAR Nighthawk CM2050V modem is tailored for users with Xfinity Voice Service Plans and cable internet plans up to 2.5Gbps, making it ideal for those needing high-speed internet and phone line connectivity. It supports DOCSIS 3.1 technology and features 32x8 channel bonding and 2x2 OFDM(A), ensuring robust performance and reliability in delivering multi-gig internet connections through its 2.5 Gig Ethernet port.

This modem also includes two phone lines with enhanced call features such as caller ID, 3-way conference calling, and call forwarding, addressing the needs for VoIP services effectively. Additionally, the modem can pair with any Wi-Fi router, offering flexible connectivity options for all wireless devices in a household.

It is equipped with standard security features typical of modern modems, ensuring safe internet usage. Users will appreciate the ease of setup and management, saving on rental fees with an upfront purchase. The modem is not compatible with other providers like Verizon Fios or AT&T, nor with fiber internet services, which limits its versatility. The physical dimensions are moderate, and its design should fit comfortably within typical home setups. For those solely using Xfinity services, this modem offers a comprehensive solution, although alternatives should be considered if service compatibility is a concern.

The Motorola MG8702 is a high-speed combo of DOCSIS 3.1 cable modem and AC3200 Wi-Fi router, designed to offer impressive internet speeds and broad compatibility. It supports major ISPs like Comcast Xfinity, Cox, and Charter Spectrum, making it versatile for many households.

The built-in AC3200 Wi-Fi router, enhanced with Power Boost, Range Boost, and AnyBeam WiFi Beamforming, ensures fast and reliable wireless connectivity across a range of devices, from gaming consoles to smart TVs. The intelligent mobile app simplifies setup and management, offering features like guest network management, speed testing, parental controls, and security alerts, which are particularly user-friendly for non-tech-savvy individuals.

Additionally, the device promises future-proof performance, supporting the fastest available cable internet plans, and can save users up to $168 per year in rental fees. The modem's dual-band frequency (2.4 GHz) further enhances its connectivity options. One notable drawback is the lack of dedicated VoIP support and phone ports, which may limit its use for users needing integrated phone line functionalities. The 2-year free expert support is a valuable addition, ensuring reliability and assistance when needed.

The NETGEAR Nighthawk C7100V is a modem-router combo designed to work well with Xfinity cable and voice plans, supporting internet speeds up to 600Mbps, which is solid for streaming, gaming, and general internet use. It includes two phone ports for voice calls, making it a good choice if you want to keep traditional phone lines alongside your internet service. The device uses DOCSIS 3.0 technology, which is faster than older models, and comes with AC1900 Wi-Fi speeds on dual bands (2.4 GHz and 5 GHz), providing reliable wireless connections for multiple devices like smartphones, tablets, and gaming consoles. Features like beamforming help direct Wi-Fi signals better to your devices, improving coverage. It also has useful security functions such as guest Wi-Fi mode and easy setup options including WPS and LED indicators to help you manage the device without hassle. Two USB ports add extra connectivity options.

A bonus is the optional battery backup, which can keep your phone and internet running during power outages for a few hours, a rare feature in similar products. However, this model uses DOCSIS 3.0, not the latest 3.1 standard, which means it might not support the fastest plans available today or be as future-proof. The setup might be straightforward for most users, but some may find the management interface less intuitive compared to newer models. Since it’s optimized for Xfinity, users with other providers should check compatibility before buying. The modem is a bit bulky and heavier than simpler devices, which might matter if you have limited space.

This device represents a strong choice if you want a reliable combo modem-router with phone lines for mid-range internet speeds, especially if you use Xfinity and want the convenience of keeping traditional voice lines along with good wireless performance.