ANSWERED: Comcast Modem Wireless Gateway Device/Feature Comparison

***5/27/2026***

Xfinity WiFi Gateways and Routers 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 WiFi Gateway and Routers, 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 Xfinity WiFi Extenders
• Up to 2 Gigabit (Gb) speeds or more, depending on the model
• Internet connectivity through Ethernet connection (two or four ports)
• Connection for up to 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

Xfinity is always improving its equipment and recommends updating your device every two to three years to get the most out of your Xfinity Internet subscription. For specific details on available gateway and router models, please see below.

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

Cable gateways

Xfinity Advanced Gateway (XB10)

The Xfinity Advanced Gateway (XB10) is the first Xfinity device to combine Unified DOCSIS 4.0 technology with the 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 advanced features that handle more data at once, making it perfect for homes with many connected devices or for high-bandwidth activities, such as streaming 4K videos and online gaming.

• Model numbers: SG417DBCT, CGM601TCOM, CGM601TCM
• Friendly model name: XB10
• Gb Ethernet ports: 4
• WiFi Standard (802.11): WiFi 7
• 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: 10 Gbps
• WPS (WiFi Protected Setup): 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 Smart Home: Yes
• Compatible with Xfinity Pro WiFi Extender: No
• Gateway Admin Tool (via http://10.0.0.1): Yes
• Xfinity app required to toggle on access to Gateway Admin Tool: Yes

Xfinity Advanced Gateway (XB8)

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

• Its 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
• WiFi Standard (802.11): WiFi 6E
• 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
• Xfinity Advanced Security: Yes
• Xfinity app activation: Yes
• Two total telephone ports: Yes (separate Alarm Port)
• Battery Backup capability (Xfinity Voice Only): Yes
  • Xfinity Advanced Gateways (XB7 and higher) are the only Xfinity Gateways with a backup battery available for purchase (non-EPON)
• Link cordless phones (CAT-iq 2.0*): Yes
• Home hotspot capable: Yes
• Compatible with Xfinity Home Security: Yes
• Compatible with Xfinity Smart Home: Yes
• Compatible with Xfinity Pro WiFi Extender: Yes
• Gateway Admin Tool (via http://10.0.0.1): Yes
• Xfinity app required to toggle on access to Gateway Admin Tool: Yes

View and download Xfinity Advanced Gateway (XB8) resources:

• XB8 Getting Started Guide for Installation

Xfinity Advanced Gateway (XB7)

The Xfinity Advanced Gateway (XB7) offers a new colorway (white/gray) to compliment your home decor, including a less disruptive LED light. Features include WiFi management tools, parental controls, and available Xfinity WiFi Extenders for extended coverage.

• Model numbers: CGM4331COM and TG4482A
• Friendly model name: XB7
• Gb Ethernet ports: 4
• WiFi Standard (802.11): WiFi 6
• 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
• Xfinity Advanced Security: Yes
• Xfinity app activation: Yes
• Two total telephone ports: Yes (separate Alarm Port)
• Battery Backup capability (Xfinity Voice Only): Yes
  • Xfinity Advanced Gateways (XB7 and higher) are the only Xfinity Gateways with a backup battery available 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 Smart Home: Yes
• Compatible with Xfinity Pro WiFi Extender: Yes
• Gateway Admin Tool (via http://10.0.0.1): Yes
• Xfinity app required to toggle on access to Gateway Admin Tool: Yes

View and download Xfinity Advanced Gateway (XB7) resources:

• XB7 Getting Started Guide for Installation

Xfinity Advanced Gateway (XB6)

The Xfinity Advanced Gateway offers up to 1Gb speeds, wide coverage, exclusive WiFi management tools, parental controls, and Xfinity WiFi Extenders 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
• WiFi Standard (802.11): WiFi 5
• 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
• Xfinity Advanced Security: Yes
• Xfinity app activation: Yes
• Two total telephone ports: Yes
• Battery Backup capability (Xfinity Voice Only): Yes
  • XB6 backup batteries are no longer available for purchase. However, previously purchased batteries may still be used.
  • Xfinity Advanced Gateways (XB7 and higher) are the only Xfinity Gateways with a backup battery available for purchase (non-EPON)
• Link cordless phones (CAT-iq 2.0*): Yes
• Home hotspot capable: Yes
• Compatible with Xfinity Home Security: Yes
• Compatible with Xfinity Smart Home: Yes
• Compatible with Xfinity Pro WiFi Extender: No
• Gateway Admin Tool (via http://10.0.0.1): Yes
• Xfinity app required to toggle on access to Gateway Admin Tool: Yes

View and download Xfinity Advanced Gateway (XB6) resources:

• XB6 Getting Started Guide for installation

Xfinity Wireless Gateway

The Xfinity Wireless Gateway offers the speed, coverage, WiFi management tools, parental controls and available Xfinity WiFi Extender (excluding DPC3939) for extended coverage.

• Model numbers: DPC3939, DPC3941T, TC8717, and TG1682G
• Friendly model name: XB3
• Gb Ethernet ports: 4
• WiFi Standard (802.11): WiFi 5
• 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
• 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
  • XB3 backup batteries are no longer available for purchase. However, previously purchased batteries may still be used.
  • Xfinity Advanced Gateways (XB7 and higher) are the only Xfinity Gateways with a backup battery available 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 Smart Home: Yes
• Compatible with Xfinity Pro WiFi Extender: No
• Gateway Admin Tool (via http://10.0.0.1): Yes
• Xfinity app required to toggle on access to Gateway Admin Tool: 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
• WiFi Standard (802.11): WiFi 6E
• 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
• 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 Security: Yes
• Compatible with Xfinity Smart Home: Yes
• Compatible with Xfinity Pro WiFi Extender: Yes
• Gateway Admin Tool (via http://10.0.0.1): Yes
• Xfinity app required to toggle on access to Gateway Admin Tool: Yes

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
• WiFi Standard (802.11): WiFi 5
• Dual-band WiFi option: Yes
• Maximum data throughput: 150 Mbps
• WPS (WiFi Protected Setup): Yes
• Xfinity Advanced Security: No
• Xfinity app activation: No
• Two total telephone ports: Yes (separate Alarm Port)
• Battery Backup capability (Xfinity Voice Only): Yes
  • XB2 backup batteries are no longer available for purchase, However, previously purchased batteries may still be used.
  • Xfinity Advanced Gateways (XB7 and higher) are the only Xfinity Gateways with a backup battery for purchase (non-EPON).
• Link cordless phones (CAT-iq 2.0*): Yes
• Home hotspot capable: Yes
• Compatible with Xfinity Home Security: Yes
• Compatible with Xfinity Smart Home: No
• Compatible with Xfinity Pro WiFi Extender: No
• Gateway Admin Tool (via http://10.0.0.1): Yes
• Xfinity app required to toggle on access to Gateway Admin Tool: No

Download a User Guide: 

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

Fiber gateways

Xfinity WiFi Router (XER10)

The Xfinity WiFi Router (XER10) uses the latest WiFi 7 (802.11be) standard and tri-band technology to deliver ultra-fast, multi-gigabit speeds for customers in Fiber-to-the-unit (EPON) residences.

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

• Model numbers: SCER11BEL
• Friendly model name: XER10
• 1 Gb Ethernet ports: 3
• 10 Gb Ethernet ports: 2 (1 WAN and 1 LAN)
• WiFi Standard (802.11): WiFi 7
• 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: 10 Gbps
• WPS (WiFi Protected Setup): 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*): No
• Home hotspot capable: Yes
• Compatible with Xfinity Home Security: Yes
• Compatible with Xfinity Smart Home: Yes
• Gateway Admin Tool (via http://10.0.0.1): Yes
• Xfinity app required to toggle on access to Gateway Admin Tool: Yes

Xfinity Fiber Gateway (XF3)

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
• WiFi Standard (802.11): WiFi 5
• Band WiFi option: Yes
• Maximum data throughput: 1 Gbps
• WPS (WiFi Protected Setup): Yes
• Xfinity Advanced Security: Yes
• Xfinity app activation: No
• Two telephone ports: Yes
• Battery Backup capability (Xfinity Voice Only): Yes
  • An XB3 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 Security: Yes
• Compatible with Xfinity Smart Home: No
• Compatible with Xfinity Pro WiFi Extender: No
• Gateway Admin Tool (via http://10.0.0.1): Yes
• Xfinity app required to toggle on access to Gateway Admin Tool: No

View and download Xfinity Fiber Gateway resources:

• Arris X5001 Installation 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.

More resources

• Troubleshoot your Xfinity Internet connection.
• Learn about whole-home coverage with WiFi Boost Pods.
• View updated open source license information for certain gateway models.