NETGEAR Nighthawk Modem Router Combo (CAX30)
4.1Editor score
AX2700 WiFi 6 speeds
Coverage up to 2000 sq ft
Compatible with multiple ISPs
In this guide
Finding the right cable modem with phone capabilities is essential for households that rely on traditional landline services alongside high-speed internet. Modern DOCSIS 3.1 modems offer robust performance for voice over IP while supporting gigabit internet speeds. These devices eliminate monthly rental fees and provide full control over your home network infrastructure.
This guide evaluates ten real products selected based on compatibility, speed, and voice feature support. We examined technical specifications, user ratings, and provider certifications to ensure each recommendation meets strict performance standards. Whether you need multi-gig speeds or budget-friendly options, this list covers the most reliable choices available today.
Each product section highlights key features, pros, cons, and who benefits most from that specific model. Prices and availability change frequently, so verify current details before purchasing. Our analysis focuses on verified compatibility and hardware capabilities to help you make an informed decision for your home setup.
Top 3 Picks for Best Cable Modem with Phone
NETGEAR Nighthawk Multi-Gig Cable Modem for Xfinity Voice (CM2050V)
4.0Editor score
Up to 2.5Gbps cable plans
Supports 2 phone lines
Certified for Xfinity Voice
Motorola MT7711 Cable Modem-Two Phone Ports Router
4.0Editor score
24×8 DOCSIS 3.0
AC1900 Dual Band WiFi
Xfinity Voice compatible
Top 10 Best Cable Modem with Phone in 2026 Compared
The following table compares all ten cable modems with phone features side-by-side. Each entry includes key technical specifications, compatibility details, and direct links to purchase. Use this overview to quickly identify which model matches your provider and speed requirements.
ProductsSpecificationsEditor scorePrice
Editor's Choice
NETGEAR Nighthawk CM2050V
2.5Gbps max speed
DOCSIS 3.1
2 Voice phone lines
Xfinity certified only
4.0Editor score
Editor's Choice
NETGEAR CAX30 Combo
2.7Gbps combined speed
WiFi 6 AX2700
Works with Xfinity
No voice port included
4.1Editor score
Best Budget
Motorola MT7711
Up to 400 Mbps
AC1900 router built-in
2 Xfinity Voice ports
Renewed condition listed
4.0Editor score
ARRIS SURFboard T25
800 Mbps max speed
DOCSIS 3.1 technology
2 telephony ports
Xfinity Internet & Voice
4.1Editor score
NETGEAR C7000 Combo
Up to 800 Mbps
AC1900 WiFi 5
No voice service support
Xfinity & Cox approved
4.2Editor score
NETGEAR CM1150V
800 Mbps plans
DOCSIS 3.1
2 Voice phone lines
4 Gigabit Ethernet
4.1Editor score
NETGEAR CM3000
2.5Gbps download speed
DOCSIS 3.1 modem
No voice ports
Xfinity & Cox compatible
4.3Editor score
NETGEAR C7100V
Up to 600 Mbps
AC1900 WiFi included
2 Voice over IP ports
DOCSIS 3.0
4.2Editor score
NETGEAR CM500V
Up to 300 Mbps
16×4 channel bonding
2 Voice phone lines
1 Gigabit Ethernet port
4.2Editor score
ARRIS SURFboard SVG2482AC
Up to 600 Mbps
AC1750 WiFi router
Xfinity telephone support
24×8 channel bonding
4.0Editor score
1. NETGEAR Nighthawk CM2050V – Best Overall High-Speed Modem
NETGEAR Nighthawk CM2050V
2.5Gbps Ethernet port
DOCSIS 3.1 modem
Supports 2 phone lines
Xfinity Voice certified
The NETGEAR CM2050V is designed for users who need maximum speed and integrated voice support. It supports cable plans up to 2.5Gbps and includes two telephone lines for Xfinity Voice service. This modem is perfect for households that rely on both high-speed internet and traditional phone features.
Pros
- Supports fastest multi-gig plans
- Dedicated phone lines included
- Certified for Xfinity service
- Future-proof DOCSIS 3.1
- Simple setup process
Cons
- Limited to Xfinity only
- Premium price point
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Its DOCSIS 3.1 technology ensures compatibility with the latest network upgrades. The 2.5Gbps Ethernet port allows wired devices to reach true multi-gig speeds. The built-in voice ports offer enhanced features like caller ID, call forwarding, and three-way calling without extra hardware.
While it is powerful, it works only with Xfinity services. This limits flexibility if you change providers or use DSL or fiber connections. However, for Xfinity subscribers, the value of owning a modem that supports both internet and voice is clear.
Buy this if you need the fastest speeds and reliable voice features from Xfinity. It eliminates rental fees and provides a stable foundation for your home network. The investment is worth it for long-term performance and voice integration.
Multi-Gigabit Performance
This modem unlocks the full potential of high-speed cable plans with a dedicated 2.5Gbps Ethernet port.
Voice Integration
Two phone lines are integrated directly into the modem for seamless Xfinity Voice setup and features.
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2. NETGEAR CAX30 – Premium WiFi 6 Modem Router Combo
NETGEAR CAX30 Modem Router Combo
WiFi 6 AX2700
2.7Gbps combined speed
Up to 2000 sq ft
Multi-provider compatible
The NETGEAR CAX30 combines a DOCSIS 3.1 modem with a WiFi 6 router for complete network solution. It supports speeds up to 1Gbps on major providers like Xfinity, Spectrum, and Cox. This device is ideal for homes needing strong wireless coverage without separate hardware.
Pros
- Integrated WiFi 6 router included
- Compatible with Xfinity and Cox
- Gigabit Ethernet ports available
- Strong whole-home coverage
- Easy setup via mobile app
Cons
- No dedicated phone ports
- Higher cost than modem-only
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Its AX2700 WiFi 6 performance covers up to 2000 square feet with reliable connections for multiple devices. Four Gigabit Ethernet ports ensure stable wired connections for gaming consoles and PCs. Setup is streamlined using the free Nighthawk app on iOS or Android.
Keep in mind this model lacks physical phone ports for traditional voice lines. It is best for users who rely on VoIP apps or mobile services instead of landlines. If you need integrated voice hardware, consider dedicated modems with phone support.
Choose this for a powerful all-in-one setup that simplifies home networking. It saves space and offers robust performance for streaming and gaming. The price is justified by the inclusion of a modern router and high-speed modem in one unit.
Whole-Home WiFi Coverage
Dual-band AX2700 WiFi 6 provides fast speeds across large homes with up to 2000 square feet of coverage.
Ease of Management
Manage your network through the Nighthawk app with features like speed tests, device pausing, and guest network setup.
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3. Motorola MT7711 – Best Budget All-in-One Solution
Motorola MT7711
AC1900 Dual Band
24×8 DOCSIS 3.0
4 Gigabit Ethernet ports
Xfinity Voice ports
The Motorola MT7711 offers a cost-effective combination of modem, router, and voice support. It is certified for Comcast Xfinity Internet and Voice service with speeds up to 400 Mbps. This product eliminates monthly rental fees and simplifies home networking into a single unit.
Pros
- Affordable all-in-one device
- Integrated router and modem
- Two voice phone lines
- High Ethernet port count
- Good value for savings
Cons
- Limited to Xfinity service only
- No DOCSIS 3.1 support
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It includes two phone ports for Xfinity Voice service and four Gigabit Ethernet ports for wired devices. The AC1900 Dual Band WiFi supports both 2.4GHz and 5GHz frequencies for flexibility. Broadcom chipset provides security against Denial of Service attacks.
This model does not support DOCSIS 3.1 or faster future upgrades. It is best for users on mid-tier speed plans who want integrated voice features. If you need faster internet, a DOCSIS 3.1 modem may be a better long-term investment.
Select this option to save on rental fees while keeping voice and data functions together. It provides reliable performance for everyday home use and streaming. The renewed condition offers significant savings while maintaining full functionality and compatibility.
Value and Savings
Own your equipment to save up to $156 annually in cable modem rental fees and landline phone costs.
Router Integration
High-speed AC1900 wireless router with Power Boost and AnyBeam beamforming for improved speed and range coverage.
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4. ARRIS SURFboard T25 – Fast Gigabit Modem with Voice
ARRIS SURFboard T25
800 Mbps max speed
DOCSIS 3.1 modem
2 telephony ports
Simple plug-in setup
The ARRIS SURFboard T25 is a certified DOCSIS 3.1 modem designed for Xfinity Internet and Voice service. It supports speed plans up to 800 Mbps and reduces rental costs by owning the equipment. This modem ensures reliable performance and enhanced security for your home connection.
Pros
- DOCSIS 3.1 technology included
- Supports Xfinity Voice plans
- Reduces rental fees annually
- Easy setup via app
- Secure plug-in activation
Cons
- Only compatible with Xfinity
- Requires separate WiFi router
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Two telephony ports allow integration with Xfinity Voice for up to two telephone lines. Setup is simplified using the SURFboard Central App for activation and management. The modem connects to a separate WiFi router for full wireless coverage.
Note that this device does not include built-in WiFi routing. You will need a compatible router to create a wireless network for your devices. However, this modular approach allows flexibility to upgrade your router independently of the modem.
Opt for this modem if you prioritize DOCSIS 3.1 speed and Xfinity Voice compatibility. It is an affordable way to own your equipment and avoid ongoing rental fees. Pair it with a modern router for a complete home internet setup.
Advanced Modem Tech
DOCSIS 3.1 provides 10x faster speeds than 3.0 with better security and multi-gig networking capabilities.
Simple Activation
Plug in the device and follow instructions in the SURFboard Central App for quick and secure setup.
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5. NETGEAR C7000 – Solid Mid-Range Modem Router Combo
NETGEAR C7000
AC1900 WiFi 5
Up to 800 Mbps
4 Gigabit Ethernet
Xfinity & Cox certified
The NETGEAR C7000 combines a cable modem and router into a single device for easy setup. It works with Xfinity and Cox internet plans up to 800 Mbps for reliable home internet. This combo unit is excellent for households seeking simple installation and solid performance.
Pros
- Two-in-one design saves space
- Compatible with Xfinity and Cox
- USB 2.0 port included
- Strong WiFi signal range
- Automatic security updates
Cons
- No voice service support
- WiFi 5 instead of WiFi 6
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AC1900 WiFi 5 speeds provide fast connectivity across 2.4GHz and 5GHz bands. Four Gigabit Ethernet ports allow wired connections for gaming and streaming devices. A USB 2.0 port supports additional connectivity options for external storage or printers.
This model does not support voice services or bundled phone plans. It is best for users who rely on mobile services or VoIP software. While effective for internet tasks, it lacks the voice ports found in other specialized models.
Choose this for a convenient and affordable modem and router package. It offers dependable performance for streaming and browsing with easy network management. The Nighthawk app helps control your network from anywhere for added convenience.
WiFi Performance
Beamforming+ boosts range and reduces dead spots to keep every device connected throughout your home.
Network Management
Download the Nighthawk app to run speed tests, pause internet on devices, and manage connected networks easily.
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6. NETGEAR CM1150V – Reliable Voice Modem for Xfinity
NETGEAR CM1150V
800 Mbps speed plans
32×8 channel bonding
2 phone lines
4 Gigabit Ethernet ports
The NETGEAR CM1150V is a high-performance modem with built-in voice support for Xfinity Internet and Voice plans. It supports speeds up to 800 Mbps with 32×8 channel bonding for stable connections. This modem offers two telephone lines with enhanced call features for home use.
Pros
- DOCSIS 3.1 technology
- Certified for Xfinity Voice
- Link aggregation for speed
- Reduces rental fees
- Easy setup and activation
Cons
- Requires separate router
- Limited to Xfinity
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Four Gigabit Ethernet ports allow multiple wired connections for computers and routers. Link aggregation combines two 1G ports into one 2G port for faster wired throughput. It saves monthly rental fees and provides reliable service for voice and data.
You will need a separate WiFi router to create a wireless network. This modem focuses on wired performance and voice integration rather than wireless capabilities. The modular setup allows you to choose a router that fits your coverage needs.
Select this model for a dependable DOCSIS 3.1 modem with voice capabilities. It is ideal for Xfinity users who want to own their equipment and keep voice and data together. Pair with a quality router for complete home internet coverage.
Ethernet Versatility
Link aggregation combines ports for faster wired connections, while four Gigabit ports support multiple devices easily.
Voice Quality
Enhanced call features including caller ID and three-way calling are supported for reliable home phone service.
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7. NETGEAR CM3000 – Multi-Gigabit Modem for Future Speeds
NETGEAR CM3000
2.5Gbps download speed
Mid/high-split technology
1Gbps upload
Link aggregation ports
The NETGEAR CM3000 delivers revolutionary DOCSIS 3.1 speeds with mid/high-split technology for maximum performance. It supports download speeds up to 2.5Gbps and upload up to 1Gbps on Xfinity Gigabit+ and similar plans. This modem is built for users who demand top-tier internet capabilities.
Pros
- Supports Gigabit+ plans
- Mid/high-split DOCSIS 3.1
- Up to 300 annual savings
- Multiple Ethernet ports
- Compatible with major ISPs
Cons
- No voice ports included
- High-end price point
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Multiple Ethernet ports including a 2.5Gbps port provide flexible connectivity options. Link aggregation allows two 1Gbps ports to combine for up to 2Gbps wired throughput. Setup is quick and ensures stable low-latency performance for gaming and streaming.
This modem does not include voice ports or support bundled cable-voice plans. It is designed for pure internet performance and future upgrades. If you need voice lines, consider pairing it with a separate VoIP solution or different hardware.
Invest in this modem to unlock the fastest speeds available on cable networks. It saves money on rental fees and provides a robust foundation for high-speed internet. Pair with a powerful router to fully utilize its gigabit capabilities.
High-Speed Upgrades
Unlock provider fastest tiers such as Xfinity Gigabit+ with revolutionary mid/high-split technology for faster downstream and upstream.
Wired Connectivity
Multi-gig Ethernet ports with link aggregation provide the most connectivity options in its class for fast wired connections.
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8. NETGEAR C7100V – Modem Router Combo with Voice Features
NETGEAR C7100V
AC1900 WiFi speed
DOCSIS 3.0
2 VoIP ports
Xfinity Voice plans
The NETGEAR C7100V is a three-in-one DOCSIS 3.0 cable modem, AC1900 router, and voice interface. It supports Xfinity cable and voice plans up to 600 Mbps with integrated features for home phone service. This combo device simplifies network setup and offers solid performance.
Pros
- Modem router with voice combo
- Two VoIP phone ports
- Up to 600 Mbps
- Easy setup and installation
- Four Gigabit Ethernet ports
Cons
- No battery backup included
- Limited to 600 Mbps
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Two Voice over IP ports connect telephone lines for reliable calls with features like caller ID. Four Gigabit Ethernet ports support wired devices like computers and consoles. Optional battery backup hardware can ensure phone availability during power outages.
This model supports speeds up to 600 Mbps, which may not suit ultra-fast fiber or cable plans. However, it remains a versatile option for most households needing voice and internet in one box. Ensure your provider plan matches its speed limits.
Choose this combo for a simple and integrated solution that handles data and voice. It saves space by combining multiple functions into one unit. Verify voice service compatibility with your provider before purchasing to ensure seamless setup.
Combo Convenience
Three-in-one design combines modem, router, and voice ports to simplify installation and reduce equipment clutter at home.
Connection Options
Supports multiple connection types including Wi-Fi, Ethernet, and telephone lines for comprehensive home network needs.
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9. NETGEAR CM500V – Entry-Level Voice Modem Option
NETGEAR CM500V
16×4 DOCSIS 3.0
Up to 300 Mbps
2 Voice phone lines
1 Gigabit Ethernet
The NETGEAR CM500V is designed for users needing basic voice and internet capabilities. It supports Xfinity plans up to 300 Mbps and includes two telephone lines for voice service. This modem is a cost-effective way to own your equipment and avoid rental fees.
Pros
- Affordable price point
- Supports Xfinity Voice
- Saves rental fees
- Simple plug-and-play setup
- Certified for Comcast
Cons
- Limited to lower speeds
- Single Ethernet port
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It features 16×4 channel bonding for reliable access within its speed tier. The single Gigabit Ethernet port connects to a router or computer for network access. Enhanced voice features like caller ID and call forwarding are supported for home convenience.
This model is limited to lower-speed plans and may not suit households with heavy data demands. The single Ethernet port also limits direct wired connections to one device. However, it meets core needs for basic users efficiently.
Select this modem if you want a budget-friendly option for Xfinity Voice and standard internet. It provides essential features without complexity or high cost. Verify your plan speed matches this model to ensure optimal performance.
Affordable Voice
Model CM500V replaces your cable modem and saves you up to $168 per year in equipment rental fees.
Voice Features
Use with Xfinity Voice service for enhanced call features including caller ID, 3-way conference calling, and call forwarding.
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10. ARRIS SURFboard SVG2482AC – Renewed Modem Router Voice Combo
ARRIS SURFboard SVG2482AC
AC1750 Dual Band
24×8 DOCSIS 3.0
Xfinity telephone
Up to 600 Mbps
The ARRIS SURFboard SVG2482AC is a renewed three-in-one modem, router, and Xfinity telephony device. It supports Internet plans up to 600 Mbps and includes voice capabilities for Comcast Xfinity service. This unit offers a cost-effective solution for households wanting integrated voice and internet.
Pros
- Integrated modem router voice combo
- Affordable renewed condition
- Compatible with Xfinity service
- Multiple Ethernet ports
- RDk-b technology support
Cons
- Renewed condition listed
- DOCSIS 3.0 not 3.1
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It features AC1750 Dual Band Wi-Fi for concurrent wireless speeds and four Gigabit Ethernet ports for wired connections. The device uses RDk-b technology to support next-gen products. Note that it does not support home security services without additional hardware.
As a renewed product, it provides savings compared to new units. DOCSIS 3.0 technology is reliable but may not support future gigabit upgrades. Ensure your current speed plan aligns with this modem's capabilities for optimal performance.
Choose this renewed combo if budget is a priority and Xfinity service is your provider. It simplifies your setup by combining voice and data into one device. Check warranty and support terms for renewed electronics before purchasing.
Integrated Voice and Data
3 products in 1: DOCSIS 3.0 modem, AC1750 router, and Xfinity telephony for a complete service bundle.
Technology and Support
Approved for Comcast Xfinity service with RDk-b technology to support next-gen products and services effectively.
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Buying Guide – How to Choose the Best Cable Modem with Phone
Choosing the right cable modem with phone support requires understanding provider compatibility, speed needs, and feature requirements. This guide breaks down the essential factors to consider before purchasing.
Provider Compatibility
Modems with phone ports are often certified for specific providers like Xfinity. Always verify that the device works with your internet and voice service. Using an incompatible modem may prevent voice lines from functioning or block internet activation.
Check the manufacturer's website for a list of approved providers before buying. This avoids costly returns and setup failures.
DOCSIS Standard
DOCSIS 3.1 is the latest standard offering faster speeds, better security, and lower latency than DOCSIS 3.0. For future-proofing and gigabit plans, choose a 3.1 modem. Older 3.0 models may suffice for basic internet but lack multi-gig capabilities.
Match the DOCSIS version to your current and planned internet speeds. Investing in 3.1 now prevents needing another upgrade soon.
Speed Requirements
Identify your internet plan speed and select a modem that supports it. If you have plans above 800 Mbps, look for DOCSIS 3.1 with 2.5Gbps Ethernet ports. Speed mismatches can result in slower-than-expected performance.
Higher-end models support 2.5Gbps download and 1Gbps upload for demanding households. Ensure the hardware matches your subscription tier.
Voice Line Count
Voice-enabled modems typically support two telephone lines. Confirm this meets your household needs for landline services. Features like caller ID and call forwarding are usually built into the modem's telephony interface.
Some devices allow optional battery backups for calling during power outages. Check if this accessory is included or sold separately.
Router Integration
Modems with phone ports are standalone units without built-in WiFi. You will need a separate router for wireless internet. Combining modem and router devices can save space but may limit flexibility.
Select a router with WiFi 6 or 7 for modern performance. Ensure the modem has enough Ethernet ports to connect your router and other devices.
Cost and Savings
Buying your own modem eliminates monthly rental fees that can total hundreds of dollars annually. Initial costs range from budget-friendly to premium but pay off quickly. Compare model prices against expected savings for your region.
Renewed or refurbished units offer additional discounts while maintaining functionality. Verify warranty terms and return policies before purchasing these options.
Setup Process
Modern modems support self-activation via apps or web portals. Check for guided setup tools to simplify installation. Some devices require contacting your provider to register MAC addresses before use.
Keep your account information handy during setup. Proper activation is critical for both internet and voice services to work correctly.
Warranty and Support
Reputable manufacturers offer warranties for hardware defects and support for activation issues. Review warranty length and terms for peace of mind. Support availability varies by region and product line.
Consider models with active online communities and customer support channels. Reliable support reduces downtime during unexpected hardware issues.
How to Use and Care for Your Cable Modem with Phone
Connect the coaxial cable from your wall outlet to the modem's input port. Attach Ethernet cables from the modem to your router or computer. Ensure all connections are snug to prevent signal loss or interference.
Plug the modem into a power outlet and wait for the online indicator light to stabilize. Use the provider app or portal to register the device and activate internet service. Follow any prompts to configure voice settings if applicable.
Keep the modem in a well-ventilated area to avoid overheating. Dust vents regularly and avoid direct sunlight. Power cycle the device every few months by unplugging for 30 seconds to clear cache and improve performance.
Frequently Asked Questions
Do cable modems with phone work with all providers?
No, they are usually certified for specific providers like Xfinity. Always check compatibility lists before purchasing to ensure your service is supported. Using incompatible hardware may prevent voice services from activating.
How many telephone lines can these modems support?
Most models support two telephone lines with features like caller ID and call forwarding. Confirm this with your provider's documentation. Additional phone devices can be connected using splitters if needed.
Do I need a separate router for internet?
Yes, these modems focus on internet and voice connections. You will need a separate WiFi router to create a wireless network. Many modems include multiple Ethernet ports to connect your router easily.
Can I use battery backup for phone calls?
Some modems support optional battery backup hardware to maintain calls during power outages. Check the model description to see if it is included or sold separately. Without it, voice service may stop during blackouts.
Is DOCSIS 3.1 better than 3.0?
Yes, 3.1 offers faster speeds, better security, and future-proofing for gigabit internet. It also supports multi-gig networking and enhanced OFDM capabilities. Choose 3.1 if you plan to upgrade speeds soon.
Do voice features include international calling?
Voice features typically include caller ID and 3-way calling but depend on your provider's plan. International calling is usually billed separately or not included. Check your service details for specific call feature availability.
How do I activate voice service?
Activation is done through your provider's portal or app after modem registration. Ensure both internet and voice services are linked in your account. Contact customer support if voice lines fail to connect after setup.
Final Thoughts on Choosing the Best Cable Modem with Phone
We reviewed ten top cable modems with phone features ranging from budget-friendly options to high-speed DOCSIS 3.1 models. Each product offers distinct benefits for Xfinity and other providers needing integrated voice and internet.
Prioritize provider compatibility and DOCSIS standards to ensure long-term reliability. Consider your speed needs and whether a separate router suits your home setup better than combo devices.
Prices and availability fluctuate, so verify current details and promotions before purchasing. Choosing the right modem now can save money on rental fees and provide stable service for years.