ANSWERED: Comcast Modem Wireless Gateway Device/Feature Comparison

Xfinity Gateways are all-in-one devices that deliver internet and voice connectivity, whole-home WiFi coverage, network security, control and speed for the ultimate connected experience.

General features of our latest devices, the Xfinity Advanced Gateways, include:

• Secure wireless home network with Xfinity Advanced Security
• Secondary Xfinity Hotspot network
• Exclusive WiFi management tools and parental controls 
• Extended whole-home coverage with WiFi Boost Pods
• Up to 1 Gigabit (Gb) speeds or more, depending on the model
• Internet connectivity through Ethernet connection (two or four ports)
• Connection for one to two phone lines
• Regular automatic updates to improve speed, coverage, control, and security
  
  

Find out more about the benefits of renting an Xfinity Gateway.

Xfinity Gateway models

We are always improving our equipment, and we recommend updating your device every two to three years in order to get the most out of your Xfinity Internet subscription. For specific details on all of our available gateway models, please see below.

Note: Looking for your gateway model number? Review the equipment’s bottom panel, visit your Devices page on xfinity.com or use the Xfinity app.

Xfinity Advanced Gateway (XB10)

The latest generation Xfinity Advanced Gateway (XB10) is the first device to combine Unified DOCSIS 4.0 technology with the new WiFi 7 (802.11be) standard, delivering ultra-fast, multi-gigabit speeds.

With WiFi 7, it offers much faster speeds and better network capacity. This is achieved through wider channels and advanced features that handle more data at once, making it perfect for homes with many connected devices or for high-bandwidth activities, like streaming 4K videos and online gaming.

• Model numbers: SG417DBCT, CGM601TCOM, CGM601TCM
• Friendly model name: XB10
• Gb Ethernet ports: 4
• Tri-band WiFi option: Yes
• 2.4 GHz connected client limit: 300
• 5 GHz connected client limit: 300
• 6 GHz connected client limit: 300
• Maximum data throughput: 10 Gbps
• WPS (WiFi Protected Setup): Yes
• Gateway/Network Management Tool (http://10.0.0.1): Yes
• Xfinity xFi eligible: Yes
• Xfinity Advanced Security: Yes
• Xfinity app activation: Yes
• Total telephone ports: 1
• Battery Backup capability (Xfinity Voice Only): No
• Link cordless phones (CAT-iq 2.0*): Yes
• Home hotspot capable: Yes
• Compatible with Xfinity Home Security: Yes
• Compatible with Xfinity Home Self Protection: Yes
• Compatible with Xfinity Storm-Ready WiFi: No

Xfinity Advanced Gateway (XB8)

The Xfinity Advanced Gateway (XB8) allows you to supercharge your home with supersonic WiFi.

• It’s super-fast at handling multi-Gig speeds, capable of powering hundreds of devices at once and has three times the bandwidth for more reliable connections.
• It blocks billions of threats annually with Advanced Security and is made to do anything, so you can do everything.
• Learn more about this new gateway.
  
  

• Model numbers: CGM4981COM
• Friendly model name: XB8
• Gb Ethernet ports: 4
• Tri-band WiFi option: Yes
• 2.4 GHz connected client limit: 100
• 5 GHz connected client Limit: 100
• 6 GHz connected client limit: 100
• Maximum data throughput: 2.5 Gbps
• WPS (WiFi Protected Setup): Yes
• Gateway/Network Management Tool (http://10.0.0.1): Yes
• Xfinity xFi eligible: Yes
• Xfinity Advanced Security: Yes
• Xfinity app activation: Yes
• Two total telephone ports: Yes (separate Alarm Port)
• Battery Backup capability (Xfinity Voice Only): Yes
  • The Xfinity Advanced Gateway (XB7 and higher) is the only device currently offering a backup battery for purchase (non-EPON)
• Link cordless phones (CAT-iq 2.0*): Yes
• Home hotspot capable: Yes
• Compatible with Xfinity Home Pro Protection: Yes
• Compatible with Xfinity Home Self Protection: Yes
• Compatible with Xfinity Storm-Ready WiFi: Yes
  
  

View and download Xfinity Advanced Gateway (XB8) resources:

• XB8 Getting Started Guide for Installation
  
  

Xfinity Advanced Gateway (XB7)

Our Xfinity Advanced Gateway (XB7) offers a new colorway (white/gray) to compliment your home decor, including a less disruptive LED light. It also has the fastest speeds, more ports, the widest coverage, exclusive WiFi management tools, parental controls and WiFi Boost Pods for extended coverage.

• Model numbers: CGM4331COM and TG4482A
• Friendly model name: XB7
• Gb Ethernet ports: 4
• Dual-band WiFi option: Yes
• 2.4 GHz connected client limit: 75
• 5 GHz connected client limit: 75
• Maximum data throughput: 2.5 Gbps
• WPS (WiFi Protected Setup): Yes
• Gateway/Network Management Tool (http://10.0.0.1): Yes
• Xfinity xFi eligible: Yes
• Xfinity Advanced Security: Yes
• Xfinity app activation: Yes
• Two total telephone ports: Yes (separate Alarm Port)
• Battery Backup capability (Xfinity Voice Only): Yes
  • The Xfinity Advanced Gateway (XB7 and higher) is the only device currently offering a backup battery for purchase (non-EPON)
• Link cordless phones (CAT-iq 2.0*): Yes
• Home hotspot capable: Yes
• Compatible with Xfinity Home Pro Protection: Yes
• Compatible with Xfinity Home Self Protection: Yes
• Compatible with Xfinity Storm-Ready WiFi: Yes

View and download Xfinity Advanced Gateway (XB7) resources:

• XB7 Getting Started Guide for Installation
  
  

Xfinity Advanced Gateway (XB6)

Our Xfinity Advanced Gateway offers up to 1Gb speeds, wide coverage, exclusive WiFi management tools, parental controls and WiFi Boost Pods for extended coverage. Its attractive design lends itself to being positioned in a central open area for best broadcasting.

• Model numbers: TG3482G and CGM4140COM
• Friendly model name: XB6
• Gb Ethernet ports: 2
• Dual-band WiFi option: Yes
• 2.4 GHz connected client limit: 30
• 5 GHz connected client limit: 75
• Maximum data throughput: 1 Gbps
• WPS (WiFi Protected Setup): Yes
• Gateway/Network Management Tool (http://10.0.0.1): Yes
• Xfinity xFi eligible: Yes
• Xfinity Advanced Security: Yes
• Xfinity app activation: Yes
• Two total telephone ports: Yes
• Battery Backup capability (Xfinity Voice Only): Yes
  • Backup battery no longer offered for this device
    • Previously purchased backup batteries may still be used
  • The Xfinity Advanced Gateway (XB7 and higher) is the only device currently offering a backup battery for purchase (non-EPON)
• Link cordless phones (CAT-iq 2.0*): Yes
• Home hotspot capable: Yes
• Compatible with Xfinity Home Pro Protection: Yes
• Compatible with Xfinity Home Self Protection: Yes
• Compatible with Xfinity Storm-Ready WiFi: No
  
  

View and Download Xfinity Advanced Gateway (XB6) Resources:

• XB6 Getting Started Guide for installation
  
  

Xfinity Wireless Gateway

Our Xfinity Wireless Gateway offers the speed, coverage, WiFi management tools, parental controls and WiFi Boost Pods (excluding DPC3939) for extended coverage.

• Model numbers: DPC3939, DPC3941T, TC8717 and TG1682G
• Friendly model name: XB3
• Gb Ethernet ports: 4
• Dual-band WiFi option: Yes
• 2.4 GHz connected client limit: 30
• 5 GHz connected client limit: 30
• Maximum data throughput: 600 Mbps
• WPS (WiFi Protected Setup): Yes
• Gateway/Network Management Tool (http://10.0.0.1): Yes
• Xfinity xFi eligible: Yes
• Xfinity Advanced Security: Yes (excluding DPC3939)
• Xfinity app activation: Yes
• Two total telephone ports: Yes (separate Alarm Port)
• Battery Backup capability (Xfinity Voice Only): Yes
  • Backup battery no longer offered for this device
    • Previously purchased batteries may still be used
  • The Xfinity Advanced Gateway (XB7 and higher) is the only device currently offering a backup battery for purchase (non-EPON)
• Link cordless phones (CAT-iq 2.0*): Yes (excluding TC8717)
• Home hotspot capable: Yes
• Compatible with Xfinity Home Pro Protection: Yes
• Compatible with Xfinity Home Self Protection: Yes
• Compatible with Xfinity Storm-Ready WiFi: No
  
  

Download a User Guide:

• DPC3941T User Guide
• TG1682G User Guide
• TG1682G Quick Start Guide
• DPC3939 User Guide
• TC8717 User Guide
  
  

Xfinity Advanced Gateway (MXB1)

The Technicolor MXB1 Wireless Gateway is a flat, wall-mountable version of the XB8 that is designed for deployments in Connected Building environments.

• Model numbers: CGM4981COM2
• Friendly model name: MXB1
• Gb Ethernet ports: 2
• Tri-band WiFi option: Yes
• 2.4 GHz Connected Client Limit: 100
• 5 GHz connected Client Limit: 100
• 6 GHz connected Client Limit: 100
• Maximum data throughput: 2.5 Gbps
• WPS (WiFi Protected Setup): Yes
• Gateway/Network Management Tool (http://10.0.0.1): Yes
• Xfinity xFi eligible: Yes
• Xfinity Advanced Security: Yes
• Xfinity app activation: Pro-install only
• Total telephone ports: 1 (also alarm port)
• Battery Backup capability (Xfinity Voice only): Yes
• Link cordless phones (CAT-iq 2.0*): Yes
• Home hotspot capable: Yes
• Compatible with Xfinity Home Pro Protection: Yes
• Compatible with Xfinity Home Self Protection: Yes
• Compatible with Xfinity Storm-Ready WiFi: Yes
  
  

Xfinity Fiber Gateway

This WiFi gateway/MTA solution provides complete home connectivity and coverage at high speeds at our Fiber-to-the-Unit properties.

• Model numbers: Arris X5001
• Friendly model name: XF3
• Gb Ethernet ports: 4
• Band WiFi option: Yes
• Maximum data throughput: 1 Gbps
• WPS (WiFi Protected Setup): Yes
• Gateway/Network Management Tool (http://10.0.0.1): Yes
• Xfinity xFi eligible: Yes
• Xfinity Advanced Security: Yes
• Xfinity app activation: No
• Two total telephone ports: Yes
• Battery Backup capability (Xfinity Voice Only): Yes
  • A backup battery is available to purchase for use with the XF3 in EPON (fiber-to-the-unit) properties
    • This battery must be installed by a technician
• Link cordless phones (CAT-iq 2.0*): No
• Home hotspot capable: Yes
• Compatible with Xfinity Home Pro Protection: Yes
• Compatible with Xfinity Home Self Protection: No
• Compatible with Xfinity Storm-Ready WiFi: No
  
  

View and download Xfinity Fiber Gateway resources:

• Arris X5001 Installation Guide
  
  

Xfinity Gateway (1/2/3)

These are old Wireless Gateways with limited speeds and functionality.

• Model numbers: TC8706C, TG852G, TG862G and TC8305C
• Friendly model name: XB2
• Gb Ethernet ports: 4
• Dual-band WiFi option: Yes
• Maximum data throughput: 150 Mbps
• WPS (WiFi Protected Setup): Yes
• Gateway/Network Management Tool (http://10.0.0.1): Yes
• Xfinity xFi eligible: No
• Xfinity Advanced Security: No
• Xfinity app activation: No
• Two total telephone ports: Yes (separate Alarm Port)
• Battery Backup capability (Xfinity Voice Only): Yes
  • Backup battery no longer offered for this device
    • Previously purchased batteries may still be used
  • The Xfinity Advanced Gateway (XB7 and higher) is the only device currently offering a backup battery for purchase (non-EPON)
• Link cordless phones (CAT-iq 2.0*): Yes
• Home hotspot capable: Yes
• Compatible with Xfinity Home Pro Protection: Yes
• Compatible with Xfinity Home Self Protection: No
• Compatible with Xfinity Storm-Ready WiFi: No
  
  

Download a User Guide: 

• TG852G User Guide
• TG862G User Guide
• SMCD3GNV User Guide
• TC8305C User Guide

Xfinity Gateway feature comparison

The following table compares all gateways.

*CAT-iq 2.0: Cordless Advanced Technology (CAT). CAT-iq 2.0 is a digital communication standard, used primarily for cordless phone systems. CAT-iq 2.0 handsets can be paired with the wireless gateway.

Using third-party equipment

Alternatively, some Xfinity customers may wish to purchase and use third-party cable modems and gateways. However, you will miss out on the full suite of Xfinity services.

Notes:

• Before purchasing your own equipment, confirm it's recommended for use with Xfinity services and can achieve the maximum capability of your subscribed speed tier.
  • Visit My Device Info.
• Advanced Security must be activated through the Xfinity app.