10 Best Modems With Phone Lines 2025 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 MT7711 is a versatile three-in-one device that combines a DOCSIS 3.0 cable modem, an AC1900 dual-band WiFi router, and two XFINITY-compatible phone ports. It is specifically designed for Comcast XFINITY users, supporting internet speeds up to 400 Mbps, making it a fitting choice for moderate to high-speed internet needs.

Its built-in high-speed router with power boost enhances WiFi speed and range, accommodating multiple WiFi devices like smartphones, tablets, and laptops. The four Gigabit Ethernet ports offer reliable wired connections for various devices. Security is bolstered by a Broadcom cable modem chipset that protects against Denial of Service attacks.

Despite these strengths, the device is limited to Comcast XFINITY users and does not support other internet service providers. Additionally, it lacks a backup battery, which means phone services will be interrupted during power outages unless an optional battery is purchased separately. The setup process is relatively straightforward, and users can save on rental fees with this device. However, its dependency on a single ISP and the absence of a backup power option might be drawbacks for some users.

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.