Questions & Answers

Q: QuestionDoes this modem include a built-in WiFi router?

• A:Answer No, this is a cable modem only. You will need a separate WiFi router for WiFi connectivity.

Q: QuestionWhy should I buy this modem instead of renting one?

• A:Answer Buying this modem can save you money on monthly rental fees charged by cable providers, potentially up to $168 per year.

Q: QuestionHow many ethernet ports does this modem have?

• A:Answer This modem has one Gigabit Ethernet port.

Q: QuestionWhat is the DOCSIS certification of this modem?

• A:Answer This modem is DOCSIS 3.0 certified.

Q: QuestionIs this modem compatible with Xfinity?

• A:Answer Yes, this modem is compatible with Xfinity from Comcast.

Q: QuestionWhat is the maximum internet speed this modem supports?

• A:Answer The NETGEAR CM700 cable modem supports speeds up to 1.4 Gbps.

Q: QuestionDoes this have wifi?

Asked 6 years ago by Bel.

• A:Answer No. This is just a cable modem. You will need a wireless router to pair with it. Make certain any wireless routers you may have but are not using are turned off to avoid a Double-NAT issue (which essentially means you are broadcasting two wireless networks on the same IP from your Internet Service Provider). If you already have a modem/router combination running (it seems to be standard issue to install them in the States now and charge customers monthly leasing fees), make sure to contact your service provider and inform them that you will be using your own cable modem and/or wireless router so they can place the one they gave you in Bridge Mode to avoid a Double-NAT issue. I'd also recommend turning in any equipment you are not using to avoid paying monthly fees and just use your own cable modem and wireless router/mesh system, Hope this helps.

  Answered 6 years ago by cdorschelVerified Purchase

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Q: QuestionWill this work with comcast phone bundled system

Asked 7 years ago by ken.

• A:Answer I bought this modem for myself and my son who also has Comcast bundled services. It worked just fine with Comcast, met their requirements for a modem and it increased the internet speed that he received.

  Answered 7 years ago by Sparkette18Verified Purchase

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Q: QuestionDoes this product work with optimum internet service

Asked 6 years ago by Anonymous.

• A:Answer Yes, I have optimum, and it works with it. You don't even have to call them. Just go to the website that optimum install, and type in your info, you'll be up an running in a few minutes.

  Answered 5 years ago by rapidturtle

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Q: QuestionThis posting says 1000mbps but the manufacturer information says it supports up to 400mbps. so whats the actual speed limit?

Asked 4 years ago by dillz.

• A:Answer That'll depend on how your ISP uses it, but it's probably closer to 400mbps. The maximum theoretical for DOCSIS 3.0 32x8 (this modem's spec) is 1200mbps, but that's before accounting for expected line noise and reality. My ISP (RCN) considers this to be more then enough for the 300mpbs tier, but insufficient for 500mbps or above tiers (for which they want a DOCSIS 3.1 modem).

  Answered 4 years ago by RyanD

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Q: QuestionIs this modem compatible with WOW! Internet?

Asked 6 years ago by ElJeffe.

• A:Answer Yes. We have WOW internet and is compatible. We did have to contact WOW to assist in set up .

  Answered 6 years ago by CurtisVerified Purchase

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Q: QuestionI have Xfinity internet service. Xfinity supplied me with a XFi Advanced Gateway (cable modem/wireless router). If I purchase the Netgear cable modem & connect it to my Apple Airport Extreme model A1521 wireless router will I get reliable service?

Asked 5 years ago by Greg.

• A:Answer I use it with Comcast and have it connected to a TP Link router and it works great. Very fast.

  Answered 5 years ago by TJOinNHVerified Purchase

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Q: QuestionIs it true that Netgear Docsis 3.0 Cable Modem doesn't have WiFi connections? I want to avoid intruders on my Internet. Plus, I was told I didn't need Comcast's Router/Modem so I could avoid unnecessary monthly rental fees? Thanks!

Asked 4 years ago by Ruby.

• A:Answer If you want wifi you will need a router to go with your Modem. Just connect ethernet from your modem to router. I have spectrum but opted to use my own equipment.

  Answered 4 years ago by TinnVerified Purchase

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Q: QuestionWill this work with my Magic-Jack phone system?

Asked 7 years ago by kruegerklan.

• A:Answer I use OOMA and it works fine so yes, it would work.

  Answered 6 years ago by Golfdog

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Q: QuestionWill this modem work with Charter/Spectrum cable?

Asked 3 years ago by Torrie.

• A:Answer Yes, I have Spectrum Cable, Spectrum internet, and Spectrum Mobile and use this very same modem. This modem was bought locally and Spectrum services a large area of this community Go forward

  Answered 3 years ago by PDFflyerVerified Purchase

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Q: Questionis this compatible with my century link internet service? I do not have cable. can I still use this modem?

Asked 4 years ago by Tatortot.

• A:Answer If Century Link internet is DSL, you will not be able to use this Modem.

  Answered 4 years ago by David

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Q: QuestionI have a netgear cm700 with a router. My wireless states “weak security” xfinity it stating that it is not compatible w docsis3.1 and of course they want me to rent theirs for a monthly fee. Is there a way to upgrade?

Asked 4 years ago by Xfinity.

• A:Answer The CM700 modem only has a 3.0 DOCSIS channel. You'll have to buy another modem that is 3.1 DOCSIS. If you go to your account on the Xfinity website you'll find a tab for compatible modems appropriate for your speed plan. I've made some recommendations below and hopefully one of them is compatible for your service. I sorted them from least to most expensive for your convenience.

  I would recommend:

  • 

    Motorola - MB8600 32x8 DOCSIS 3.1 Cable Modem 1 GB Ethernet - Gray

    User rating, 4.68 out of 5 stars with 1001 reviews.

    (1,001)
  • 

    ARRIS - SURFboard SB8200 32 x 8 DOCSIS 3.1 Gig-Speed Cable Modem - White

    User rating, 4.64 out of 5 stars with 5121 reviews.

    (5,121)
  • 

    NETGEAR - Nighthawk DOCSIS 3.1 Cable Modem - Black

    User rating, 4.69 out of 5 stars with 4196 reviews.

    (4,196)

  Answered 4 years ago by ITguy

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Q: QuestionI want to connect a router to this and also run an Ethernet directly to my computer. Is that possible? There is only one Ethernet port here. Basically I want WiFi for my apartment and also direct connection for my computer when gaming

Asked 5 years ago by Dexxon.

• A:Answer You would run one Ethernet cable from the modem to the router and then you would directly connect your computer to a port in the back of the router. That's how my Xbox One X is set up.

  Answered 5 years ago by Juan

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Q: QuestionWill this work with Netgear AC1200 WiFi Router Model R6220

Asked 5 years ago by Bob.

• A:Answer Yes, this will work with any router, it depend on how you plan on connecting them together. Depending on what you are trying to do with your network, this modem may be all you need. It supports my 2100 square feet home with no issues.

  Answered 5 years ago by Larry

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Q: QuestionWill this modem work with Xfinity gigabit internet? They are telling me I need 3.1 DOCSIS ...but their Technician when out for installing it can do it? Sounds fishy and they just want to charge me $70 to install.

Asked 6 years ago by Timobi.

• A:Answer Yes, this cable modem is compatible with Xfinity Gigabit internet.

  Answered 6 years ago by CommunityAnswer

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