12 best comcast modems

• Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
• This cable modem's one Gigabit Ethernet port connects to a WiFi router, computer, HDTV, game station, or streaming video device. Great for use with Whole Home WiFi or Mesh networks like eero, Google WiFi, and Orbi. (This cable modem does not have a built-in wireless router or telephone call capability. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
• Requires cable Internet service.Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, CableOne, SuddenLink, RCN, and other cable service providers. Eliminate cable modem rental fees up to 156 dollars per year. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
• Setup is fast and easy using the quick start guide. Experienced USA-based Motorola customer support specialists are happy to help if you need them. Support is in English or Spanish.
• Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Includes phone and web support by friendly, professional USA-based technical support specialists.

User questions & answers

Question:	So how do control the cable modem if comcast doesn't provide one
Answer:	Once you install the modem you can either go online and register the device or call Comcast with the serial number. It will then activate and you are good to go. I’ve had no issues with mine at all. And online registration was very easy.
Question:	Quick start quide says it doesn't have wifi capability or router. so, can i get to xfinitywifi wirelessly or not
Answer:	Model MB7621 is a bridge modem, or a Cable modem without a built in WiFi router. You can either purchase an all in one (modem with the built in WiFi router) such as a Motorola MG7700, or purchase a a WiFi router to connect to the MB7621.
Question:	Which one is better for my needs - the mb-7621 or the mb-7420? comcast highest speed for home use is 150 mbps and 100 for downloads
Answer:	3 things I can tell you. 1. The 7621 is 24 x 8 channels vs 16 x4 for the 7420. More channels means better flow of the data. 2. The 7621 can handle 1000 Mbps vs 643 Mbps for the 7420. Good for future upgrades of your internet speed if needed. 3. The 7621 came out in Dec 2017 vs 2015 for the 7420, newer tech, longer support from right now.
Question:	What chipset is the mb7621 utilizing? intel or broadcom or other
Answer:	Model MB7621 and all Motorola modems utilize the Broadcom modem chipset.

Product features

The smart choice for your cable Internet service

Eliminate monthly cable modem rental fees – Typically saves 156 dollars per year in Xfinity cable modem rental fees. Actual savings depend on your service provider.

600+ Mbps – Maximum actual Internet download speed

GigE Ethernet port – For a high-speed wired connection to any router, computer, or other Internet-capable device.

Connect any WiFi router you choose

Plugs easily into any router for shared Internet access by all your WiFi and Ethernet-capable devices. This flexible approach lets you pair this cable modem with any router you choose for your WiFi needs, including a mesh router or gaming router.

If the MB7621’s Ethernet port isn’t used for a router, it can plug into a computer, HDTV, game station, or other Ethernet device.

Compatible with Most Cable Providers

Certified by Comcast Xfinity, Cox, Charter Spectrum, and other cable providers.*†

* Not compatible with Verizon, AT&T, CenturyLink, and other fiber optic, satellite, or DSL services.

† This cable modem does not have telephone jacks for the support of voice calls.

Fast Internet Speed

For other service providers, supported service speeds are similar to Comcast.

Easy Setup

Connects fast with just 3 connections – power, coax cable, and Ethernet.

Product description

The NETGEAR CM500 high speed Cable Modem provides a connection to high-speed cable Internet, up to 680Mbps. It is cable labs Certified and with DOCSIS 3. 0 is 16x faster than 2. 0 devices. It works with U. S. Cable Internet provider Comcast XFINITY & more. It is not compatible with cable bundled Voice services.

System Requirements

• Save monthly rental fees: Model CM500 replaces your cable modem, saving you up to $168/yr in equipment rental fees.
• Built for fast speed: best for cable provider plans up to 300 Mbps speed.
• Works with any wifi router: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
• Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
• Modem technology: Engineered with 16x4 channel bonding and DOCSIS 3.0.

User questions & answers

Question:	Why does it say 4x ethernet ports in your description where there is only one
Answer:	Because Amazon hasn't corrected their product subscription. I submitted one two weeks ago and has yet to be done. If you need more than 1 ethernet port, then this one is not for you. This has only (1) 2.5 Multi-Gig port.
Question:	Does netgear cm500-1aznas work with tds provider
Answer:	Yes. But you need to call the TDS customer service and provide your CMAC or SN to register your device. These numbers are on the box and the unit
Question:	Can you use a phone to ethernet splitter for voice to work
Answer:	I have never heard of a phone to internet splitter, at least not expressed in those terms. However, for VOIP (which means Voice Over Internet Protocall), you must have at least one phone jack in a modem, or a modem-router combination. Some modems have two such jacks, which could provide two different "lines." Most importantly, you must have your internet service provider's PERMISSION to install and use such a modem, or modem-router combination! My own ISP (Wow, aka Wowway.com) REFUSED to give such permission because that would cut into their profits, since they would no longer receive a monthly FEE to RENT their age-old junk, much of which are at least five years old, which is like a millenia in this day of super-fast-paced electronic offerings. I had to send back every VOIP-capable modem I bought from Amazon and other places because my ISP REFUSED to enable them to work with their so-called service(s). Talk about anti-competitive business practices ... U.S. Federal Trade Commission (FTC), are you paying any attention?
Question:	I understand that this modem says it will only work with xfinity. but has anyone tried this with spectrum? (aka time warner cable
Answer:	Hello. I am writing this Dec 2, 2020 and just activated this modem 2 days ago with Spectrum. It is not on the list of approved modems, but oddly enough the CM400 is. I just told the tech support who activated it that it was compatible and it's worked fine with no problems. I went from 100-120 mbs on my 100 mb plan to 250 to 450 mbs, still on the 100 mb plan. This modem is not on the list of approved models but it seems to work fine so far without periodic latency/drops like the Arris model from Spectrum had.

Product features

Why Buy Your Own Modem?

Save up to 168 Dollars/year

Eliminates monthly rental fees that can amount to 168 dollars or more per year.

No WiFi limits

You’re free to choose & connect the best router for your home’s WiFi needs.

Flexible Compatibility

Swap modems. Not problems. CM500 is compatible with all major cable providers including Xfinity by Comcast, Spectrum, and COX.*

*Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirectTV, DISH and any bundled voice services.

Built for Serious Speed

Supports cable internet plans with speeds up to 300Mbps ensuring fast, reliable internet speed for HD streaming and more.

Works with Any Wi-Fi Router

Plug the modem into the router that best meets your wireless needs and start streaming.

Easy 5 Minute Setup

Step 1: Plug your coax cable into the modem.

Step 2: Activate by either

(a) connect an Ethernet cable to your computer and follow the on-screen setup, or

(b) call your cable provider to activate over the phone.

Step 3: Plug an ethernet cable between the modem and your Wi-Fi router.

Product description

Introducing the first DOCSIS 3.1 cable modem in the SURFboard lineup. The SURFboard SB8200 is a DOCSIS 3.1 modem – the newest technology being offered by cable providers. It is capable of the fastest speeds available by cable Internet service providers, perfect for things like 4K Ultra-HD Video Streaming and Virtual Reality Gaming. Plus, it has 2 Gigabit Ethernet ports! The SB8200 is compatible with major US Cable providers like Comcast (Xfinity service by Comcast) Cox, and others. Today’s connected home demands speeds far more powerful than ever. Power your home network with the SB8200 and get the fastest speeds and most reliable connection to the Internet. Own yours today and stop paying rental fees.

• DOCSIS 3 1 Cable Modem best for cable internet speed plans up to 2 Gbps. Note, a 2nd IP address is required from your cable internet provider to reach 2 Gbps.
• 32 downstream x 8 upstream DOCSIS 3 0 bonded channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels
• Two 1-Gigabit Ethernet ports capable of link aggregation
• others Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
• Cable internet service required Does not inlcude Wi-Fi and does not support cable digital voice service

User questions & answers

Question:	How is this model different than the arris surfboard sb
Answer:	The sb6121 only has speeds of 172 Mbps download and up to 131 Mbps upload. This model has up to 343 Mbps download and 131 Mbps upload.
Question:	Going with the cable modem option what’s the best router to pair this with for spectrum
Answer:	It depends on your needs. Needs are based on the number of devices connected and the size of area you are trying to cover. I would highly recommend a mesh network unless your home is 1200sqft or smaller. A centrally located router could cover that. The biggest problem is getting the 5ghz frequency to reach throughout the home. The 5ghz gives you speeds over 30mbps on wireless devices. 5ghz will reach roughly 40ft in all directions from your access point (ap). A mesh system gives you multiple ap and thus more area covered by the 5ghz.
Question:	How many devices can connect at once? Is that that the 8x refers to
Answer:	The 8x doesn't refer to the number of devices you can connect to it. You only want to connect one device and that's your WiFi router. You wireless router determines how many devices can be connect based on the available number of ip addresses on the wireless device. The 8x refers to the speed of Data Over Cable Service Interface Specification (DOCSIS). Its informing you on the speed of DOCSIS 2.0 vs the newer DOCSIS 3.0. Ultimately your speed will be determined by how much you want to pay your internet provider. And you can determine how many devices you want to connect by the router you choose.
Question:	Do I also have to buy a router for the modem? And to make sure it obviously speeds up internet connection right
Answer:	If you only need to have one computer hooked up to the internet you do not need a router. If you want to hook up more than one computer or if you want a wireless network, you will need to buy the appropriate router. My internet speed went from 20mb to 100mb(the speed I pay extra for). TWC has also stopped charging me $8.00 a month for the use of their inadequate equipment.

Product features

Harness the power of DOCSIS 3.1 with the SURFboard SB8200 Cable Modem

Compatible with major U.S. cable internet providers: The SURFboard SB8200 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's approved for cable internet speed plans up to 2 Gbps. Check your cable ISP website to confirm compatibility. (Note, a 2nd IP address may be required by your cable internet provider to achieve 2 Gbps speeds.)

The newest, fastest technology available

DOCSIS 3.1 is the newest technology available from cable internet providers that enables fast, efficient internet speeds.

Two 1-Gigabti Ethernet Ports

Two 1-Gigabit Ethernet ports capable of providing speeds up to 2 Gbps. (Note, a 2nd IP address may be required by your cable internet provider to achieve 2 Gbps speeds.)

Quick & easy setup

With a few simple cable connections and a quick visit to your ISPs self-activation portal, your network will be up and running in no time.

1. Connect the cables: coaxial, power, Ethernet

2. Contact your ISP (via web portal) to activate

3. Connect to a Wi-Fi router to setup your devices

Product description

The SURFboard SBG10 is a DOCSIS 3. 0 16x4 cable modem, Wave 2 AC1600 Dual Band Concurrent Wi-Fi Access Point and 2-Port Gigabit Ethernet Router, all wrapped up in one device. Refer instruction manual for troubleshooting steps.

• 3 products in 1: DOCSIS 3 0 Cable Modem, AC1600 dual-band Wi-Fi Router, 2 Port Gigabit Ethernet Router (cable digital voice service not supported)
• Wi-Fi 5 AC1600 dual-band concurrent Wi-Fi Router with 2 Gigabit Ethernet ports
• Setup and manage your network with the SURFboard Manager app
• Compatible with major U S Cable Internet Providers including Cox, Spectrum, Xfinity & others. Cable internet service required. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
• 16 downstream & 4 upstream channels. Best for cable internet service plans up to 400 Mbps.

User questions & answers

Question:	Is this both a modem and router ? (2 in1 thing
Answer:	Yes it is! It has dual functionality. If you have a router you like already you can turn the wifi part off and just use it as a modem
Question:	This says it isn't compatible with at&t, does that mean my iphone, with an at&t connection, will not be able to use this modem
Answer:	It is not compatible with AT&T High Speed Internet service, only good with traditional Cable Service. Your iPhone will connect to the Wi-Fi without issue.
Question:	i'm using this with netgear router (with port forwarding). therefore i have to run this modem in bridge mode. would i be better with a cheaper modem
Answer:	I think you'd be better with a cheaper modem. The whole point of getting this modem is so you don't need to purchase a separate router/Wi-Fi access point.
Question:	I was reading that you cannot run the lan jack and wifi at the same time on this device, is that true? Has anyone else experienced this problem
Answer:	Yes, you can use LAN and wifi the same time.

Product features

A high-speed internet experience that's quick, easy and economical

2 products in 1 - The SURFboard SBG10 combines a DOCSIS 3.0 cable modem with an 802.11ac Wi-Fi router with 2 one-gigabit Ethernet ports. It has 16 downstream and 4 upstream channels and AC1600 Wi-Fi, making it a perfect choice for homes with less devices to manage. The all-in-one modem & Wi-Fi router combo means no more managing multiple devices and is best for Cable Internet Speed Plans up to 400 Mbps. Plus, it saves you money on monthly modem rental fees and fits easily into any home office.

Compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. If you are unsure about compatibility, check your ISP website or the ARRIS website to confirm.

2 products in 1

The SBG10 combines a DOCSIS 3.0 cable modem with a 802.11ac Wi-Fi router equipped with 2 one-gigabit Ethernet ports. A space-saving and economical option.

Compatible with major U.S. cable internet providers

The perfect addition to your home network, the SBG10 is compatible with major U.S. cable internet providers, including Cox, Spectrum, Xfinity and others. It's best for internet speed plans up to 400 Mbps.

Quick & easy setup

With just a few quick cable connections and a visit to your ISP's activation page, you can have a lightning-fast home network up and running.

1. Connect the cables: coaxial, power, Ethernet
2. Contact your service provider (via web portal) to activate
3. Configure your Wi-Fi settings and connect your devices

Two 1-Gigabit Ethernet Ports

The SBG10 is equipped with two 1-gigabit Ethernet ports for ultra-fast wired networking. Perfect for connecting smart TVs, gaming consoles and more.

• This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
• Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does not have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
• Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
• Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
• Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

User questions & answers

Question:	How warm does this modem run? Some of the more recent SB modems ran too hot, leading to early failure
Answer:	Handling of heat was definitely considered in the MB7420 design. All cable modems generate heat, the good designs get rid of the heat efficiently. The MB7420 is very well ventilated on both sides and on the top, and has robust heat sinks on the circuit board to dissipate the heat. The vertical design also helps air circulation. The two year warranty is the longest in the industry and speaks to the durability of the product. With that said, definitely do not operate the MB7420 on its side. The MB7420 is intended to be in a vertical position.
Question:	Are the leds insanely bright like on other motorola modems
Answer:	Whether the LEDs have the right amount of brightness is an opinion. The MB7420 LED brightness was reduced in response to user reviews on earlier modem designs. Definitely attention was paid to the output level and the electronic design throttled back the brightness. You will probably find it a good, but can't say for sure. Your opinion would be welcome.
Question:	Can the stabilizing foot be removed so the modem can lay on its side? Is it screwed/clipped on
Answer:	The foot is attached with 2 screws under the label. It is designed to stand up on the foot to allow for adequate cooling for the modem at high speeds. It is not designed to lay flat on its side with one panel blocked. It is recommended that both side panels and the top not be blocked. Laying it on its side and blocking the ventilation could produce improper operation and unit failure.
Question:	Is this part of the arris motorola surfboard line up of modems
Answer:	No, it is not. This is a much newer design. The MB7420 has a Full Band Capture Digital Tuner, upgraded power handling to protect against lightning and power surges, robust heat sinks to handle a broad temperature range. And the MB7420 looks a lot better than the Arris SB6141.

Product features

The smart choice for your cable Internet service

Eliminate monthly cable modem rental fees – Typically saves 156 dollars per year in Xfinity cable modem rental fees. Actual savings depend on your service provider.

300+ Mbps – Maximum actual Internet download speed.

GigE Ethernet port – For a high-speed wired connection to any router, computer, or other Internet-capable device.

Connect any WiFi router you choose

Plugs easily into any router for shared Internet access by all your WiFi and Ethernet-capable devices. This flexible approach lets you pair this cable modem with any router you choose for your WiFi needs, including a mesh router or gaming router.

If the MB7420’s Ethernet port isn’t used for a router, it can plug into a computer, HDTV, game station, or other Ethernet device.

Compatible with Most Cable Providers

Certified by Comcast Xfinity, Cox, Charter Spectrum, and other cable providers.*†

*Not compatible with Verizon, AT&T, CenturyLink, and other fiber optic, satellite, or DSL services.

† This cable modem does not have telephone jacks for the support of voice calls.

Fast Internet Speed

For other service providers, supported service speeds are similar to Comcast.

Easy Setup

Connects fast with just 3 connections – power, coax cable, and Ethernet.

• This 8x4 DOCSIS 3.0 cable modem provides speeds up to 343 Mbps, eight times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
• Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This cable modem does not have a built-in wireless router or VoIP telephone adapter. The Motorola MG7310, MG7315, and MG7550 have a built-in wireless router.)
• Requires cable Internet service. Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
• Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
• Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

User questions & answers

Question:	Can I connect it to my computer for Ethernet connection
Answer:	yes. It can if you have Internet service as part of your cable package
Question:	Does this work with RCN cable/internet service
Answer:	Only RCN can answer that question. I can say that this modem will handle at lease 110 Mbps because that was what I had. It did not handle 300Mbps. The modem worked perfectly and was very reliable.
Question:	What kind of router is best to use with this modem
Answer:	That is a very hard question to answer in a limited amount of space. First, think about getting the Model MG7310, which incorporates an N300 wireless router. You will probably save some money and you will reduce cable clutter, increase reliability (wiring connections are a frequent source of trouble) and save desk space by incorporating both modem and router in a single device. If the MG7310 won't work for you, here are some very general rules, but the choice of a router is definitely an individual decision that has to factor in price and performance. If you are in a dense setting like a high rise building or a dense condo or apartment complex, get a dual band wireless that has both 2.4 GHz and 5 GHZ frequency support. But that assumes your connecting devices like phones and computers support 5 GHz. If you live in a very large house, or a house with masonry walls rather than sheetrock, you will want WDS support in case you need to use a range extender. With that said, if you have a 50 Mbps cable service or slower, an N300 router will probably meet your needs and save you some money. Much more could be written on this topic, a search of the Internet should provide additional information.
Question:	Do I need to contact my cable provider that I am changing my previse cable modem for this one, or will it work out of the box
Answer:	Short version: Use your provider's self registration website, or whichever of their customer service methods work best for you. Long version: The cable modem will go online once powered and connected to a coaxial cable with good signal parameters. You still need service authorization from the cable modem termination system. Some cable internet service providers have self registration websites. Connect the coaxial cable to the modem, an ethernet cable to a computer, and connect the power cord to an outlet. This may also work over a wireless router and with wireless devices, but just using a computer can help isolate any setup issues. When your modem first goes online, the CMTS may recognize a foreign modem and direct your web browser to the registration website. If not, the registration website can be manually searched for, which is where a secondary internet connection of some sort can come in handy. If you have your account information already, the only other thing you may need to add is the CMAC, or Cable modem Media Access Control address. Some registration systems can detect this automatically. This is the number that distinguishes your modem from all of the others, and should be on the modem if not also on a label in the box. At the end of the process, the modem will probably restart on command of the CMTS. Once it is back online, test your internet connection. You may need to power cycle the modem (unplug it and plug it back in) or reset it (hold the reset button for long enough) before using it with other equipment, most commonly a wireless router. This particular product is just a modem, so if you previously used the wireless network coming out of the cable company's equipment, you would also need your own wireless router or other networking equipment. This whole process can often be done ahead of time and the new modem plugged in later, but be advised that the previous modem (if it is still online) will lose its service. Also be aware that if the wiring leading to an old modem has issues, changing modems will not fix the real issue and is not likely to make the service any better.

Product features

The smart choice for your cable Internet service

Eliminate monthly cable modem rental fees – Typically saves 156 dollars per year in Xfinity cable modem rental fees. Actual savings depend on your service provider.

200+ Mbps – Maximum actual Internet download speed

GigE Ethernet port – For a high-speed wired connection to any router, computer, or other Internet-capable device.

Connect any WiFi router you choose

Plugs easily into any router for shared Internet access by all your WiFi and Ethernet-capable devices. This flexible approach lets you pair this cable modem with any router you choose for your WiFi needs, including a mesh router or gaming router.

If the MB7220’s Ethernet port isn’t used for a router, it can plug into a computer, HDTV, game station, or other Ethernet device.

Compatible with Most Cable Providers

Certified by Comcast Xfinity, Cox, Charter Spectrum, and other cable providers.*†

* Not compatible with Verizon, AT&T, CenturyLink, and other fiber optic, satellite, or DSL services.

† This cable modem does not have telephone jacks for the support of voice calls.

Fast Internet Speed

For other service providers, supported service speeds are similar to Comcast.

Easy Setup

Connects fast with just 3 connections – power, coax cable, and Ethernet.

Product description

The Net gear AC1900 Dual Band Cable modem, Wi-Fi router is designed to meet DOCSIS 3.0 Specifications, making it 8x faster than DOCSIS 2.0. Router provides speeds of up to 1.9 Gbps. Ensure uninterrupted HD video streaming with industry's first 24x8 cable channel bonding, giving you the fastest download speeds, even during peak hours. Save up to 120 a year by eliminating Internet service provider rental fees. Ideal for Internet Cable services 200Mbps and above. Certified with XFINITY from Comcast, Cox, spectrum and more. Troubleshooting tip- when your modem router cannot access the Internet and your internet LED is on, register the cable Mac address or device Mac address of your modem router with your cable Internet provider. Wi-Fi Technology - 802.11 Ac.

• Save monthly rental fees: Model C7000 replaces your cable modem and Wi-Fi router, saving you up to $168/year in equipment rental fees.
• Built for fast speed: best for cable provider plans up to 400 Mbps speed. Modem technology: Engineered with 24x8 channel bonding and DOCSIS 3.0.
• Fast Wi-Fi performance: Get up to 1800 square feet wireless coverage and 30 devices connected with AC1900 speed (up to 1900 Mbps).
• Versatile connections: 4 Gigabit Ethernet ports and 2 USB ports give you fast wired connections to your computer, printer, game box, storage drive, and other devices.
• Modem technology: Engineered with 32x8 channel bonding and DOCSIS 3.1.
• Note: Refer to page 102 of user guide for troubleshooting steps

User questions & answers

Question:	What does "AC1200" mean
Answer:	AC means that the router has support for the 802.11ac (or Wi-Fi 5) wireless networking standard, which offers fast WiFi network connections on the 5GHz frequency. 1200 means the max Mbps is 1200
Question:	Does the box come with the necessary cables? (e.g. power cord and coax cable
Answer:	It does come with a power cord and either net cable. A coax is not needed since cable company should connect their end directly to the modern.
Question:	Does this modem have netgear genie
Answer:	Hello Thank you for contacting us. It has Netgear Genie App Management. Any questions please contact us again. Thanks.
Question:	I see many ppl asking about a router and answers say “modem only” but the description says wifi modem combo. what am i missing
Answer:	The confusion is due to the illogical way Amazon links questions and answers to products. There are several different products listed on this one product page. Some are just modems, others are modem/router combos. Unfortunately, all the different products on this page share the same questions and answers which aren't relevant to one another. If the description on the product you have selected says it's a modem/router combo, then it's a modem/router combo. The people saying it's only a router are answering the question based on the product their viewing or have purchased. This is a problem that effects many products throughout the Amazon site.

Product features

Why Buy Your Own Modem with WiFi?

Save up to 168 Dollars/year

Eliminates monthly rental fees that can amount 168 dollars or more per year.

Better WiFi Performance

Get superior WiFi coverage and more features compared to cable provider modems with WiFi.

Works with Major cable Providers

Works flawlessly with Xfinity by Comcast, Spectrum, and COX.*

*Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirectTV, DISH, and any bundled voice services.

Built for Serious Speed

Supports cable internet plans with speeds up to 400Mbps ensuring fast, reliable internet speed for HD streaming and more.

Up to 1800 Sq. Ft. WiFi Coverage

Enjoy strong, reliable WiFi coverage thanks to amplified antennas and range-boosting Beamforming+ technology.

Seamless WiFi for up to 30 Devices

Intelligently selects between dual bands to minimize interference and maximize speed for your many smart wireless devices.

Built for Serious Streaming

Up to 1900Mbps wireless speed (AC1900), perfect for demanding HD streaming and gaming.

Easy 5 Minute Setup

Step 1: Plug your coax cable into the modem router.

Step 2: Activate by either

(a) connect an Ethernet cable to your computer and follow the on-screen setup, or

(b) call your cable provider to activate over the phone.

Four Gigabit Ethernet ports and two USB ports give you super-fast wired connections to your computer, printer, game box, storage drive, and other devices.

Product description

Utilizing the power of DOCSIS 3.0, the SURFboard SB6183 provides an ultra-fast Internet experience. The SB6183 enables channel bonding of up to 16 downstream channels and 4 upstream channels, which provide download speeds up to 686 Mbps. Speeds that fast take HD video streaming and online gaming to a whole new level. Future-proof your home network with the SB6183.

• APPROVED with Comcast Xfinity, Spectrum (Charter, Time Warner, Brighthouse), Cox and more. If not sure call your cable provider to find out if approved to use. REQUIRES Cable Internet Service. Not compatible with: Verizon, AT&T, or CenturyLink
• Cable Modem only (no WiFi router). NO support for Cable TELCO options
• Internet speeds up to 686 Mbps on 16 Download Channels and 131 Mbps on 4 Upload Channels, based on your cable ISP subscription. Approved for plans up to 300Mbps. Gigabit Ethernet port to connect to computer or router
• Great for streaming HD Video and gaming on multiple devices at a time
• 90 Day Warranty. ARRIS Certified Refurbished. US Technical support. ARRIS Certified Refurbished products will ALWAYS be branded ARRIS, Never Motorola! If you get Motorola branded product they are illegitimate, need to be returned to Seller and Reported to Amazon

User questions & answers

Question:	Does this modem support phone service from Xfinity
Answer:	No.
Question:	Is there any way i could use this in china? i've entered pppoe id and pw provided by isp on wan setting which is set as l2tp, but no luck
Answer:	Wherever you are...; be it China or the USA; you must take your device to the local office of your ISP (Internet Service Provider) and have them approve it plus register it with their system. ISP protocols are generally universal worldwide but also universal is the premise that you may not access their system without their permission and they expect to get paid for providing the service
Question:	Is this router compatable for voip phone services provided by the cable provider
Answer:	No.
Question:	how is the warranty isuue? how long
Answer:	Warranty is for 3 months. I'd recommend to buy a new one not refurbished. My modem isn't working any more.

• Built-in AC1900 Wireless Router - This 24X8 DOCSIS 3.0 cable modem comes integrated with an AC1900 Dual-Band (2.4GHz and 5GHz) Gigabit Router and two Xfinity Voice-compatible phone ports for ultimate range and performance. This product is approved by Comcast for Xfinity Internet and Voice, and recommended by Comcast for Xfinity Internet service speeds up to 600 Mbps.
• Flexible Compatibility - The MT7711 provides shared Internet access for WiFi devices including smartphones, notebooks, tablets, and more. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable modem chipset provides security from Denial of Service attacks.
• Requires Comcast Xfinity Internet Service - Approved by and for use with Comcast Xfinity and Xfinity X1. This product will not work with any other Internet service provider.
• Save Money - Eliminate up to $168 in cable modem rental fees per year. Say goodbye to monthly rental fees and landline phone costs.
• Wireless Power Boost for Better Speed and Range - High-performance Wi-Fi power amplifiers boost the wireless signals to the legal limit, providing a significant increase in speed and range. In addition, AnyBeam beamforming at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range. NOT included is a backup battery option (Model 98250) that allows your phone to make calls for 8 hours on standby after power loss.

User questions & answers

Question:	Is this compatible with AT&T
Answer:	Model MT7711 or any (DOCSIS Cable modem/router) is NOT compatible with AT&T.
Question:	I just updated my account to the 1000mbps plan and I want to get the most of it. Would I be able to get the 1000mbps download with this device
Answer:	My internet speed when Comcast provides xfi modem is >300 Mbps down (even wifi) which is what my plan is. However everytime I plug this modem and replace comcast modem - the internet wired connections throttles at a max of ~174 Mbps Wifi sucks at ~74 Mbps Upstairs ~43 Mbps Very disappointed with this product. I have spent numerous hours with comcast tech and they rewired my connections. NO LUCK !!!
Question:	Mt7711 reverts to eroute_dualmode from bridge mode either upon reboot or triggered by xfinity. has anyone figured out how to keep it in bridge mode
Answer:	Bridging the connection is entirely dependent on your internet service provider. Some providers have a configuration file which will overwrite the bridge mode any time you reboot your modem (When your modem or gateway reaches out to their DHCP server, it locks to your modem's MAC address). You can try calling your internet service provider and ask them to release your DHCP lease, which will make the network have to relearn what MAC is associated with your account. However, it may not be permanent and will just revert to previous settings again. If you have more questions, please call our support team at 1-800-753-0797 (Monday-Friday 8:30am-10pm, Saturday 8:30am-5pm Eastern Time)
Question:	I have comcast triple play and plan to reduce service to comcast internet only with Ooma phone. Is this a good choice to accomplish this transition
Answer:	I also have Comcast/Xfinity Triple Play. With all of the Premium channels it cost me $159.00 per month when I add the phone and went to Triple Play 3 years ago. Late last year my monthly bill had gone up to $292.00 per month and they were talking about raising the price another $18. I dropped all of the Premium channels, turned in one of the three HD adapters and bought this MT17711 so I didn't have to rent one monthly. My bill dropped down to $191.30. This modem is excellent. It has faster Internet speeds and my devices located outside no longer drop off. I still have the X1 DVR and can live without the Premium Channels. Installation was simple and all done right online without having to call Xfinity.

Product features

The smart choice for Xfinity Internet & Voice subscribers

Eliminate monthly cable modem rental fees and landline phone costs!* – Typically saves 156 dollars per year in Xfinity cable modem rental fees. Phone ports for Xfinity Voice eliminate the need for expensive telephone company landline service. (Xfinity Voice service required.)

600+ Mbps maximum actual Internet download speed

1900 Mbps maximum WiFi speed – AC1900 Dual Band Gigabit Router with WiFi Power Boost and 4 GigE Ethernet ports

2 phone ports for Xfinity Voice*

*Comcast Xfinity Voice service is required if you want to make phone calls using the MT7711. One phone jack works for any Xfinity Voice service. The second phone jack is used only if you have Xfinity Voice 2-line service, which is enhanced Xfinity Voice service.

Compatible with Comcast Xfinity

Certified by Comcast Xfinity for Internet and phone services. Phone service requires Xfinity Voice.

Exclusively for Comcast Xfinity, not other service providers.

Fast Internet Speed

Supports Comcast Xfinity Internet service speed tiers up to 600 Mbps.

Connect All Your Devices

The built-in router provides high-speed shared Internet access to smartphones, HDTVs, computers, tablets, game stations, streaming media devices, and other Ethernet and WiFi devices.

Wireless WiFi Power Boost

Power Boost technology amplifies the wireless signal to the limit set by the Federal Communications Commission (FCC) to deliver higher WiFi speeds and extend the WiFi range.

Xfinity Voice Support

The MT7711 supports Xfinity Voice features including Caller ID on your TVs.

Clean and Easy

Integrating the modem, router, and phone capabilities in a single device saves space, reduces wires and power cubes, and provides a single user interface.

Product description

Up to 960 Mbps download for streaming HD videos, faster downloads & high speed online gaming

• Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more. Requires Cable Internet Service
• Not compatible with: Verizon, AT&T, or CenturyLink
• Cable Modem only (no WiFi router).Memory: 8 MB NOR flash and 128 MB RAM
• Support Cable Internet Service plans up to 300Mbps. Recommended for all speed tiers up to 500 Mbps. Separate router required for WiFi. 24x8 channel bonding
• DOCSIS 3.0 Cable Modem with 1 Gigabit Ethernet port. DOCSIS 3.0 unleashes 8x faster download speeds than DOCSIS 2.0
• Ideal for streaming 4K UHD content, fastest downloads, and high-speed online gaming

User questions & answers

Question:	Cm600-1aznas ($89.99) vs cm600-100nas ($109.99), what's the difference
Answer:	1aznas is an amazon sku, 100nas is the retail sku. Otherwise they are the same modem.
Question:	Does this modem have a router built in
Answer:	NETGEAR Gigabit Cable Modem 32x8 DOCSIS 3.1 Max speed 6 Gbps | For XFINITY by Comcast and Cox. Compatible with Gig-Speed from Xfinity (CM1000-1AZNAS) This model, nope, that's a no router model and the one Ethernet port is indicative of that. Netgear does not make any Cable Modems are dual units if there is only one Ethernet port, that's the point, no router, if there is a router, there's at least two ports. And the liars here, says up to 6 Gbps, with one single 1 Gbps port, that's a defined 1 Gbps port and there's only 1 so no bonding. Anything that connects to THIS cable modem will only ever, ever, ever be able to max 1 gb up or down, and we know you'll never see that speed but Cox Gigablast, yeah it's insanely fast. I just don't get why it 100 % is lying and does not ever, under any condition support a connection beyond 1 gb, obviously they are referring to what the cable (coax) is capable of doing per docsis 3.1 but that's misleading, that doesn't matter, it support whatever the slower port is, in this case, the limiting port is actually the Gigibit Ethernet port so that's the max speed 1 Gbps, please correct.
Question:	Can the stand be removed
Answer:	The stand on the CM1150V can easily be removed by removing one silver screw from the bottom of the unit. For this particular modem you need a Torx-8 screwdriver or equivalent. An earlier review, presumably for a different modem indicated a Torx-9 was required.
Question:	Does this device increase the Internet Speed? Why i buy it
Answer:	For someone to tell you, "yes"....really doesn't understand how the internet speeds work or do not understand your question. In basic terms....."No", this will NOT increase your internet speed that you subscribe too and pay for. You can't pay for a low internet speed and expect to get fast internet speeds because you bought a piece of equipment. The speeds do not work that way. HOWEVER.....using my current situation for example....I'm a time warner customer. I am paying for the 50 meg speed and I have an Arris 6141 modem. Time Warner just increased all their speeds for free so now I am able to get 300 meg speeds for the same price that I'm currently paying for ***BUT my Arris 6141 modem will only allow roughly 100 megs to get through to me...*** SO I am buying THIS modem because it allows all 300 megs to get through. The internet speed really isn't increased....it's still 300 megs, but by buying a different modem it allows the speed of what I'm paying for to get through. I hope this is a better explanation for you and others wondering about this topic. The answer can be more complicated because of how many "channels" a modem has, ect...but this is a simplistic answer. A modem with 24 downstream channels will allow more speed to get through than a modem with 8 or 16 channels. And a 32 channel will allow more speed to come through than a 24 channel. Allowing more speed to come through isn't the same as increasing the internet speed you have paid for. If that makes any sense.

Product features

Why Buy Your Own Modem?

Save up to 168 Dollars/year

Eliminates monthly rental fees that can amount to 168 dollars or more per year.

No WiFi limits

You’re free to choose & connect the best router for your home’s WiFi needs.

Compatibility

Swap modems. Not problems. CM600 is compatible with all major cable providers including Xfinity by Comcast, Spectrum, and COX.*

*Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice services.

Built for Serious Speed

Supports cable internet plans with speeds up to 400Mbps ensuring fast, reliable internet speed for HD streaming and more.

Works with Any Wi-Fi Router

Plug the modem into the router that best meets your wireless needs and start streaming.

Easy 5 Minute Setup

Step 1: Plug your coax cable into the modem.

Step 2: Activate by either

(a) connect an Ethernet cable to your computer and follow the on-screen setup, or

(b) call your cable provider to activate over the phone.

Step 3: Plug an ethernet cable between the modem and your Wi-Fi router.

• 16x4 DOCSIS 3.0 cable modem plus a built-in AC1900 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router with four Gigabit (GigE) Ethernet ports, a firewall DFS, Power Boost, and more. This product is recommended for actual cable Internet service speeds up to 375 Mbps. A Broadcom cable modem chipset provides security from Denial of Service attacks. WiFi performance is exceptionally good, even in multi-dwelling units with lots of WiFi noise from neighbors. DFS and Power Boost are key
• Requires cable Internet service. Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, Suddenlink, WOW., CableOne and other cable service providers. Eliminate cable modem rental fees up to 156 dollars per year. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MG7550 has no phone jack.)
• Built-in high-speed Wi-Fi router with AC1900 Wi-Fi, and Power Boost, and DFS provides Internet access for Wi-Fi devices including smartphones, notebooks, tablets, game stations, HDTVs, Amazon Echo, Google Home, Chromecast, Roku, Amazon Fire TV, and AppleTV. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers, HDTVs, game stations, streaming TV devices, and other Ethernet-capable devices.
• Wireless Power Boost adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. The router can work on WiFi DFS frequencies, unlike most routers, so it is much less vulnerable to WiFi interference from neighbors. In addition, AnyBeam beamforming at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range.
• Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design minimizes shelf space and improves cooling while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Includes phone and web support by friendly, professional USA-based technical support specialists. Phone support is provided in English and Spanish.

User questions & answers

Question:	How easy is set up on this device? Would I have to call my provider (Comcast
Answer:	It is super easy to set-up, however you usually have to contact comcast with any new device because they have to put it on their system. I basically plugged it in and called comcast, they found the device on the network and I was up and running. The only other step you need is to go into the device setup (the ip address is on the label) and login and set up your username and password for your accounts. There are other settings you can set, but for a basic setup that is all you need to do.
Question:	What is the difference between this one and the $89.99 that you also offer
Answer:	The MG7550 is both a 16X4 modem and an AC1900 router integrated into a single unit. The MB7420 is a 16X4 modem, but does not include an integrated wireless router. The $89.99 MB7420 would typically be used with a wireless router. The MG7550 has a very powerful router built in.
Question:	Is this a 32 band modem
Answer:	The MG7550 supports the 250 Mbps and 300 Mbps services which are the fastest offered by the major service providers using DOCSIS 3.0. The MG7550 does not support 32 channels down, but as a caution, 32 channels is not likely to buy you anything more. The next major cable modem speed increase will use a technology called DOCSIS 3.1. That new technology is at least a year away for most people and will be a premium-priced service. The major cable service providers are very unlikely to use more than 16 channels for DOCSIS 3.0 because that would not be an efficient use of their networks. So buying a DOCSIS 3.0 device with more than a 16 channels down is not likely to buy you anything.
Question:	Sellers keep saying the range is excellent. what exactly is the range for this router? numbers please. i need facts before i invest
Answer:	The range you will get is highly dependent upon what kind of building you are in and how many other wireless signals are in the area. The range you will get in an apartment with concrete walls is much different from the range you will get in a suburban house with drywall interior walls. Results are also highly dependent upon what client (notebook, tablet, phone etc.) you are using. There is an independent study by Netperian that compares the speeds and range of competing AC1900 cable modem gateways. Various building types are used in the test and speed ratings were taken in each room of the buildings. The results were that the Motorola MG7550 is MUCH better than Arris and significantly better than Netgear. The report is over 40 pages long, so you will readily see a few numbers for range are only partial information. With all of that said, in an open field the MG7550 averaged 214 Mbps download speeds at 1000 feet and 475 Mbps at 100 feet. Those were much better data rates than Netgear or Arris with identical conditions.

Product features

Compatible with Most Cable Providers

Certified by Comcast Xfinity, Cox, Charter Spectrum, and other cable providers.*†

* Not compatible with Verizon, AT&T, CenturyLink, and other fiber optic, satellite, or DSL services.

† This cable modem/router does not have telephone jacks for the support of voice calls.

Fast Internet Speed

For other service providers, supported service speeds are similar to Comcast.

Connect All Your Devices

The built-in router provides high-speed shared Internet access to smartphones, HDTVs, computers, tablets, game stations, streaming media devices, and other Ethernet and WiFi devices.

Wireless WiFi Power Boost

Power Boost technology amplifies the wireless signal to the limit set by the Federal Communications Commission (FCC) to deliver higher WiFi speeds and extend the WiFi range.

Beamforming

AnyBeam WiFi beamforming at 2.4 GHz and 5 GHz focuses the wireless signal on your wireless devices to further enhance wireless performance.

Clean and Easy

Integrating the modem and router saves space, reduces wires and power cubes, and provides a single user interface.

• Fast 24x8 DOCSIS 3.0 cable Modem Plus a built-in AC1900 Dual band (2.4GHz and 5GHz) Wi-Fi Gigabit Router with four Gigabit (GigE) Ethernet ports, power boost Wi-Fi amplifiers, firewall security, and more. The maximum modem speed is 1000 Mbps, supporting service speeds up to 650.
• Eliminate up to $156 per year in cable Modem rental fees. (Savings are shown for Comcast Xfinity and vary by cable service provider.) certified by all leading cable service providers including Comcast Xfinity, Cox, Charter spectrum (no cable Modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)
• Built-in high-speed router with AC1900 wireless and Power boost - Provides internet access for Wi-Fi devices including smartphones, notebooks, tablets, and more. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable Modem Chipset provides security from denial of service attacks.
• Wireless power boost for better speed and range - Adds high-performance Wi-Fi power amplifiers to boost the wireless signals to the legal limit, giving a significant Boost in speed and range. In addition, anybeam Performing at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range
• Minimize shelf space and improve cooling - integrating the cable Modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design looks great in any home or office. A two-year warranty is the longest in the industry. Rugged Lightning and Power Surge circuits further protect your investment.

User questions & answers

Question:	I want to buy this latest model mg7700 asap, when is gonna available
Answer:	Not sure about the answer to your question. The MG7700 is very popular at the moment and all you can do is keep monitoring availability.
Question:	What is the range of this modem? I'm looking for a strong signal throughout a 4,000 sq ft home
Answer:	Model MG7700 should provide coverage to a large house. Unfortunately, because of so many variables involved, there isn't a way to measure the range (or speed) experience a user will have. Factors, including positioning of the Gateway, building materials, obstruction or even your neighbors WiFi usage, play a role in what will both range and speed. That said, model MG7700 is equipped with a sophisticated built in Dual Band AC 1900 WiFi router. Support for concurrent 2.4 and 5 GHz bands with AnyBeam beamforming at those bands, focuses the signal on wireless clients to allow further improvements to wireless performance, including range. Model MG7700's built in WiFi router will increase your chances for a better WiFi experience over other Gateways on the market.
Question:	Do you have to pay for extended phone tech support in the event it stops working
Answer:	Motorola has a pretty decent 2 year warranty, with good phone support even through this Novel Corona-virus causing many companies to lessen customer support. This is a solid modem that saves me $185 every year with Comcast. It's interesting as I had Comcast service 12 years ago and back then one could own their own modem to save you $15, but they would charge you the same $15 for the access card a month. I went back to Comcast as Frontier is at deaths door. These days Comcast doesn't charge for the access card as the FCC put the kibosh on cable companies being in the cable rental business. At the end of the day, this Motorola's paid for itself twice over and still counting.
Question:	Are you able to install firmware updates? When I owned a combo modem+router, Cox locked out firmware updates because it was a cable modem
Answer:	No, you can't personally update the firmware, apparently, the cable company gets it from Motorola, and updates it for you. I guess for compatibility or maybe some other reason.

Product features

Compatible with Most Cable Providers

Certified by Comcast Xfinity, Cox, and other cable providers.*†

* Not compatible with Verizon, AT&T, CenturyLink, and other fiber optic, satellite, or DSL services.

† This cable modem/router does not have telephone jacks for the support of voice calls.

Fast Internet Speed

For other service providers, supported service speeds are similar to Comcast.

Connect All Your Devices

The built-in router provides high-speed shared Internet access to smartphones, HDTVs, computers, tablets, game stations, streaming media devices, and other Ethernet and WiFi devices.

Wireless WiFi Power Boost

Power Boost technology amplifies the wireless signal to the limit set by the Federal Communications Commission (FCC) to deliver higher WiFi speeds and extend the WiFi range.

Beamforming

AnyBeam WiFi beamforming at 2.4 GHz and 5 GHz focuses the wireless signal on your wireless devices to further enhance wireless performance.

Clean and Easy

Integrating the modem and router saves space, reduces wires and power cubes, and provides a single user interface.