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The following collapsible sections for each NETGEAR cable modem and cable modem router display which Internet service providers (ISPs) are certified or compatible with that product. Cable modems and cable modem routers that are certified have been tested by that ISP and are guaranteed by the ISP to work on their networks. Compatible devices meet the requirements of that ISP and should work on those networks.
To find the model number of your device, check the side panel for the Package Contents section. The model number is in parentheses after the product name.
To expand one of the following sections, click or tap on the model number or downward arrow:
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
ISP
Compatible
Certified
Comcast/Xfinity
✔️
✔️
Cox
✔️
✔️
Spectrum/Charter
✔️
✔️
Astound (Grande, RCN, Wave)
✔️
Breezeline (Atlantic Broadcom, WOW)
✔️
Mediacom
✔️
Optimum/Altice
✔️
SparkLight
✔️
If you have any issues activating your device, see Which NETGEAR cable modems or gateways are certified by my cable service provider? .
Last Updated:07/07/2025
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Article ID: 000063930