Notes

B8 is the next generation xFi Advanced Gateway (XB8) which supports DOCSIS 3.1 and superior data rates. It features 4x4x4 Wi-Fi 6E (802.11ax) Tri Band Wireless radio offering premium Wi-Fi performance for advanced services, including video over Wi-Fi. The XB8 features Wi-Fi 6E, which extends the capabilities of Wi-Fi 6 to operate in the new 6 GHz band. It can support upto 300 devices.

This latest generation xFi Advanced Gateway allows customers to supercharge their homes with Supersonic Wi-Fi. It is super fast, capable of multi-Gig speeds and powering 100s of devices at once with 3x the bandwidth for more reliable connections.

Other features include MoCA 2.0, which enables a high-performance home network. It also supports ZigBee, BLE and IoTivity. The XB8 is designed to be an Xfinity subscriber’s hub.


Here are the features of this ultrafast Xb8 modem:

2x2 OFDM and OFDMA DOCSIS 3.1 channels
32x8 SCQAM DOCSIS 3.0 channels
Full Capture Bandwidth Tuner
Multi-Processor Technology with ARM and ATOM based Application Processor
Single 2.5Gbps Ethernet port (WAN/LAN configurable)
Three (3) 1Gbps LAN Ethernet ports
Switchable upstream filters for 85MHz or 204MHz operation
Tri band (2.4GHz, 5GHz & 6GHz) 4x4 Wi-Fi 6E (802.11ax) for high performance WLAN
MoCA2.0 (with channel bonding) for in Home Video and Data distribution over coax
Multiple SSID support with DFS and Dynamic Channel Selection
IoT subsystem with support for ZigBee and BTLE
Small form factor based on multi-PCB design
Designed for enhanced application support
Dual functioning WPS Button
Press for WPS pairing
Press and hold for more than 30s for Factory reboot
External power supply (EPS-6)

I am now sending refresh signal to your cable box. This will update and boost signal connectivity of your cable box. ,crs

You may not be able to view your TV guide immediately. It could take up to 30 minutes to reload however you can access your channel line up on Xfinity.com . ,guide

I'll need your help restarting the device. Please remove the power cord from the wall and then make sure the fiber connection is secure. No need to remove the fiber connection, just confirm it's attached properly. After you are done with these steps and plugged the device back in, let me know...

Please try a different outlet. Once you have finished connecting to a different outlet, let me know so that we can continue.

I apologize as this department handles Internet troubleshooting related issues. I will need to transfer you to a team member from our Billing Department who can best assist you with this issue. ,TRB
I see that you have used close to or more than 1Tb recently. I would suggest that you call our Data usage team at 1-877-807-6581, they would help you with the options for unlimited data usage plans ,US2


https://www.xfinity.com/local/store-offers

We need to do a hard reset on the modem to refresh it. Use the tip of a pen or a paperclip to push the button inside the reset hole at the back of the device. Press and hold for about 15 seconds. You should see the lights on the device turn off and start ,MH

You may not be able to view your TV guide immediately. It could take up to 30 minutes to reload however you can access your channel line up on Xfinity.com . ,guide

I am now sending refresh signal to your cable box. This will update and boost signal connectivity of your cable box. ,crs