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11/12/2026 4:50 AM

new modem

I received an email stating that my current modem is no longer receiving important security updates and that I should purchase a new modem, specifically, a Netgear CM2500 or CM3000  or "a compatible device." Following the link, I learned that the suggested Netgear modems are not available, but I can find no other information that describes the specifications of alternative modems that might be comparable. What are the specs for the upgraded modem? 

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4 hours ago

I also received this email. I'm currently running a Netgear C7100V.  My data speed is 800 Mbs although I only need ~300 Mbs or less.  They kept upgrading me.  The cable modems they linked to in the email, and you mentioned, do not support voice.  The xfinity device page shows a Netgear CM2050V as supporting voice.  Unfortunately, it does not support wifi.  I am curious to see their response to your post. 

Thanks for your post!!

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