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  • uBee DDM3513 Docsis 3.0 Cable Modem
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uBee DDM3513 Docsis 3.0 Cable Modem

by Ubee
| 31 answered questions

Available from these sellers.
  • Brand new in box
  • Approved for Comcast network only
  • This is a Data Modem, it does NOT have telephony (Voice) capabilities
1 used from $56.43

Product Details

  • Shipping Weight: 4 pounds
  • ASIN: B005Y1UFIM
  • Item model number: DDM3513
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (243 customer reviews)
  • Amazon Best Sellers Rank: #5,193 in Electronics (See Top 100 in Electronics)

Product Description

This product has been approved for use on Comcast's cable network. For NON Comcast customers: to avoid returns and restocking fees please contact your cable provider to verify compatibility prior to ordering modem.


Customer Questions & Answers

Customer Reviews

There were no drops or resets.
S. Yuen
This is the same model modem that Comcast was renting to me, and was getting great performance, so I purchased this one rather than paying the monthly fee.
Dan K
Super easy to set up and has worked great so far.
A. Cornett

Most Helpful Customer Reviews

130 of 134 people found the following review helpful By G. Nicholson on January 18, 2012
Verified Purchase
This is the same modem I received from Comcast two years ago, back then I was charged $2.00 a month for the modem, then 8 months later $5.00, and now $7.00. When this modem arrived (onetime), I turned off the computer, disconnected it from the wireless router, connected the coax cable to new modem, connect the computer directly to modem. Turned on modem, then computer. Loaded the browser, Comcast's "self installation" screen loaded, (have your bill handy) entered my account #, four clicks later, it is up and running no issues.
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70 of 71 people found the following review helpful By S. Yuen on January 18, 2012
Verified Purchase
My first option was to buy an Arris WBM760A as part of a new setup to replace an unreliable Surfboard SBG6850 but it wasn't being sold anywhere but ebay for more than I'd like to pay. After receiving the Ubee 3513 from Amazon, Comcast could not activate it and had tried different methods to activate it without success. I had lost hope and almost returned the Ubee to Amazon until I came across someone on the internet mentioning that they had activated their modem by using Comcast's activation page. I gave it a try and presto... activation success! So if you are having difficulty as I was, try comcast.com/activate

So far, the cable modem has been great. There were no drops or resets. I also have a Motorola SBG6580 that constantly resets... stay away from the SBG6580 as many have said of its problems!

Update: Recently I found out why the uBee has trouble setting up with Comcast when I requested a technician to do a final check to see if my internet connection was good. When Comcast tries to setup the uBee, their system does not expect a customer to own a uBee modem so it won't setup. Now if you use the online setup, the modem will be setup but however as a Netgear modem. As a Netgear modem, there was no functional issues as it may have the same chipset as the uBee modem. This is the best way to set this modem up and then leave it that way. Be careful if you have a Comcast tech set this modem up as a uBee, you will be charged the rental because Comcast detects uBee serial numbers as belonging to Comcast. Now I have a problem with Comcast to straighten out because the tech setup my uBee modem as a uBee modem instead of leaving the modem as a Netgear modem. (See update below, maybe you can setup the uBee modem the right way by calling Comcast?
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59 of 63 people found the following review helpful By K. Ko on March 5, 2012
Verified Purchase
It's exactly the same model/unit used by Xfinity/Comcast. I purchased this one to replace the rental unit from Comcast.

After receiving the new unit, I unplug the rental unit and plug in the new unit. Called Comcast. The guy on the phone could not get it to work, and could not find out why. He asked me to call again in normal business hour. (I called them at 10pm.) I decided to connect it to my computer anyway. After firing up my browser, it's all automated. With only a few clicks on the computer, the new unit was installed and working great.

Lesson learned: avoid human interaction if possible, especially when dealing with Comcast.

Hope this helps!
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23 of 24 people found the following review helpful By A. Sahin on January 9, 2012
Verified Purchase
I live in PG county MD with Comcast and this is the same modem that Comcast rents out. Out of all the Docsis 3 modems, this one is the best in my opinion. The Motorola did not work with Comcast in PG county after many days of trying. The Zoom works fine but when restarted take a long time to load up. This one is a bit more expensive but is fast and works great. I would recommend and buy this again for anyone of my customers. I fix computers for a living......
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55 of 64 people found the following review helpful By Donald Bergstrand on June 15, 2012
Verified Purchase
For the first 3 months this modem worked like a charm. After that, it started having problems. I replaced the splitter and the cable to the modem with no luck. I went through all the reset procedures over and over again. There was no problem with the incoming cable signal. It was strong.
I contacted the manufacturer this morning and they informed me that they don't help private user/owners... only cable companies who buy their product by the thousands. Then she hung up on me.
With (non)customer service like that, my recommendation is to look elsewhere. Too bad...I really liked it those first 3 months.
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25 of 27 people found the following review helpful By marhoose on December 22, 2011
Verified Purchase
I used it as a replacement for my Comcast rental modem, worked excellent out of the box. Speedtest shows 35 Mbts on Blast! subscription, same as my rental modem.
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39 of 45 people found the following review helpful By ABF3 Gambit on December 18, 2011
Planned to move into a new home with my sister and needed to consider which modem to purchase. i wanted to start the move off right with saving money on the internet bill by owning my own modem as it would be my responsibility to take care of the bill each month. I carried out a little research on my own to make sure i got the most up to date and compatible modem for use with Charter. I went to my parents house to take a look at their modem but there was no brand name. they were indeed renting from Charter though. I Googled the device model and come to find out it was an Ambit now known as Ubee U10C018 which is a DOCSIS 2.0 modem. Seeing as how 3.0 has greater speeds and technology i decided i'd go with a 3.0 modem. Originally i was interested in the Motorola SB6120 SURFboard because of the reviews and its compatibility with Comcast. i figured Charter and Comcast would probably support the same modem models. i actually couldnt find anything on the U10C035 being compatible with Charter on the internet for the longest time. it seemed that all the answers came after i had made my final decision; which was the U10C035. Also, this link set my decision in stone: [...] under the DOCSIS 3.0 data modems tab. If its on this list then its most likely supported by Charter.

this was my first choice because of everything that i've read about its performance, reliability, and speed (171mbps max) but at $90+ for a used one i just couldnt afford it. i was swayed because of the price. its holiday season so i was leaning on my second and slower choice (160mbps max): Motorola SB6120 SURFboard eXtreme Broadband. Thankfully i kept looking. i happened to find a U10C035 at a pawn shop for $60 with everything included and it looked to be in immaculate condition so i just had to get it.
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Most Recent Customer Reviews