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post #31 of 39 Old 05-20-2013, 11:56 AM
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Quote:
Originally Posted by Phantom Gremlin View Post

I'm just a casual reader of DSL reports. Maybe you're more in tune with what comments are reliable, etc. But I just did a quick search on your specific modem and found lots of complaints.

Yes and I can post hundreds of links to happy customers. The SB6121 was one of the most popular and well regarded modems last year. The newer SB6141 would be a better bet for someone buying a modem now as it supports 8 bonded download channels vs 4 for the SB6121. As has been said by others in this thread the thread starter needs a Docsis 3 modem for his 55Mbps internet package. Docsis 2 cannot support that speed.

You can see the Amazon rating for SB6121 at 4.5 stars from 1786 reviews...................

http://www.amazon.com/Motorola-SB6121-SURFboard-DOCSIS-Cable/dp/B004XC6GJ0

Also see this poll for which modems are popular on Comcast the SB6121 is second only to its close relative the SB6120

http://www.dslreports.com/forum/r28290960-2013-Comcast-Modem-Poll

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post #32 of 39 Old 05-25-2013, 01:20 PM
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You got an offer for a free modem? Is that as a new subscriber? I have had a bundle from Cox in Arizona for years: phone + cable TV + internet. I talked to a Cox representative on the phone and was told I'd have to buy the docsis 3.0 modem from them, no discount.

Also, their rep told me that Cox's modem was twice as fast as anything I could buy myself (implying I'd be stupid not to buy from them). Why? Don't they use they same ones I could buy elsewhere? What difference could there be? I smell a sales pitch, unless somebody can tell me there is really a difference in performance with Cox's modem.
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post #33 of 39 Old 05-29-2013, 12:51 PM
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Originally Posted by juno4 View Post

You got an offer for a free modem? Is that as a new subscriber? I have had a bundle from Cox in Arizona for years: phone + cable TV + internet. I talked to a Cox representative on the phone and was told I'd have to buy the docsis 3.0 modem from them, no discount.

Also, their rep told me that Cox's modem was twice as fast as anything I could buy myself (implying I'd be stupid not to buy from them). Why? Don't they use they same ones I could buy elsewhere? What difference could there be? I smell a sales pitch, unless somebody can tell me there is really a difference in performance with Cox's modem.

No there is no difference. Rep must have been misinformed.

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post #34 of 39 Old 09-08-2013, 08:57 PM
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Can anyone help me find a SIMULTANEOUS 2.4ghz and 5ghz Docsis 3.0 CABLE MODEM with more than one ethernet port? I am moving into a condominium and EVERYONE is on 2.4ghz so I want to be able to connect with my laptop at 5ghz frequency (which is supports) but a lot of my other devices don't. The only thing I have found is the Motorola SBG6580 but it forces you to do one or the other (2.4ghz OR 5ghz). So pointless. Who has ONLY 5ghz devices?

I know you guys will tell me to buy a cable mode and router separately to do this but I just want an all in one solution (ie the least expensive). Cox will be my provider.

Side note: The reason I want this is because I'm paying for top tier internet and its a large condo with like 20 floors and at least 8 unites to a floor so thats a lot of people. I'm assuming there will be interference....am I right?

Please, somebody, educate me smile.gif
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post #35 of 39 Old 09-09-2013, 08:11 AM
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I have been using my Cox cable supplied modem with the telephone capability so my phone and fax works fine. I have used it for a number of months without any difficulties. I have noticed an enormous increase in upload speeds some days. or some times during the day. It can jump to 35mbps and other times be back to a more normal 10mbps. my previous arris would only get 4 to 6mbps. and never spike past 10, which was rare. My download speeds have not gained but have been stable for the whole time. The prior Arris would jump a bit and get me as much as 32Mbps some days but usually between 22 to 25mbps once over a year it was ,download that is, 12mbps. i keep track on speedtest and 'speedof.me.com which doesnt use flash or java. the results are the same as speedtest site though. I use a dual band 2.4/5ghz router with the modem and have had good luck. it runs both at once. i have the either or type but put it on the shelf as a back up since i continue to use both bands and the simultaneous just makes more sense. not sure why I got the first one and had to keep switching to one or the other depending. I didnt realize i had a couple of wireless 'n' adapters which were only 2.4gz.

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post #36 of 39 Old 09-10-2013, 09:06 AM
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I use a Motorolla SurfBoard SB6120 + ASUS AC66U. It has been working excellent for the last 3 months.biggrin.gif
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post #37 of 39 Old 10-17-2013, 04:58 AM
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Yes I have Asus rr 66cu and a motorola SB6180. My speeds have increased and Im a seriouse gamer. I have noticed little delay and my uploads seem to be same or little change is unnoticable.There has been an expanded spectrum that cell phones work off of. The FTC, or FCC have let loose a spectrum that would provide ten to a hundreds of times faster than current speeds that fiber optics provide. So good bye wifi hello new ISP attenna outside size off my roof lol. internet well be new FM stations broadcasting similiar to LTE markets. but thousand times faster. Here are some the most recent breakthroughs. http://www.cielonetworks.com/site/white-papers.html

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post #38 of 39 Old 05-20-2015, 11:31 PM
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when are the cisco unified gateways coming out? they told on the roadmap that they would feature DECT and DVB-C transcod/stream... look similar to fritz!box 4080

Quote:
FRITZ!Box 4080 − the high-end wireless router for the gigabit home network

With the FRITZ!Box 4080 AVM is presenting a powerful high-end wireless router for the gigabit home network. The newly developed FRITZ!Box 4080 sports a vertical, white design, and can be deployed with ease on cable connections, DSL connections and with fiber optic modems. It supports Wireless AC Wave 2 and, thanks to Multi-User MIMO (Multiple Input Multiple Output) technology, provides for the best wireless LAN for high-demand home networks. The new wireless router transmits in both frequencies (4 x 4 Multi-User MIMO 5 GHz, 4 x 4 MIMO 2.4 GHz), so that more wireless applications can be operated concurrently, at rates of up to 2.5 Gbit/s (2,533 Mbit/s). Each individual device, regardless of its wireless standard, benefits from faster data throughput as well as improved latency and low power consumption. Streaming 4K videos, online games on consoles and different users with smartphones and tablets using the wireless LAN at the same time − the FRITZ!Box 4080 processes all of this and more in best quality and top speed. The FRITZ!Box 4080 also offers more performance with Wireless N on the 2.4-GHz frequency band. Through a new modulation method (256QAM), 200 Mbit/s can be transmitted on each of four streams, making for up to 800 Mbit/s gross in the 2.4-GHz frequency band. The new FRITZ!Box offers not only ultra-fast wireless LAN, but also one gigabit WAN port, four gigabit LAN ports and two USB 3.0 ports. Two analog telephone sockets, a DECT base station, and an internal ISDN port round out the comprehensive hardware of the new wireless router. With the latest FRITZ!OS, many convenient features like FRITZ!NAS, a media server, wireless guest access, Smart Home, an auto-update function and MyFRITZ are available in the FRITZ!Box 4080. Market launch of the FRITZ!Box 4080 in Germany is planned for the second half of 2015.

Technical specifications of the FRITZ!Box 4080

Wireless AC Wave 2 with 4 x 4 Multi-User MIMO
Dual wireless 5 GHz and 2.4 GHz
Wireless AC (up to 1,733 Mbit/s, 5 GHz) and Wireless N (up to 800 Mbit/s, 2.4 GHz)
2.4 GHz: 4 x 4 Wireless N with up to 800 Mbit/s. New modulation methods (256QAM) provide for up to 200 Mbit/s per stream
1 x gigabit Ethernet WAN for connection to cable, DSL or fiber optic modem
4 x gigabit LAN, 2 x USB 3.0
DECT base station for up to six telephones
ISDN S0 bus for ISDN telephone/system (internal)
2 a/b ports for analog telephones, answering machines and fax
FRITZ!OS for full home network convenience with wireless guest access, parental controls, media server, NAS, VPN and more

FRITZ!Box Cable − The future of the home network on the cable connection

At Cebit AVM is showing a FRITZ!Box Cable as a technology study for the next boost in speed on the cable connection. The prototype of a future FRITZ!Box Cable users 32 x 8 DOCSIS 3.0 multi-link PPP for data rates of up to 1.7 Gbit/s downstream and 240 Mbit/s upstream. In the home network, too, FRITZ!Box Cable will offer gigabit speeds with dual-band wireless (2.4 GHz and 5 GHz) of up to 2.5 Gbit/s. The 4 x 4 Multi-User MIMO technology for Wireless AC Wave 2 and 4 x 4 MIMO for Wireless N with up to 800 Mbit/s provide for extremely stable applications like the streaming of free-to-air programs via wireless concurrently on different devices, and does so with maximum throughput.

The future of the home network on the cable connection

In 2014, 5.9 million of the total of 29.4 million broadband connections in Germany were cable based. At this time the first cable operators are offering rates of up to 200 Mbit/s downstream throughout all of Europe. Even higher data rates (up to 500 Mbit/s) may be achieved in the future. There is still great potential for ultra-fast Internet and home networking on the cable connection. At Cebit AVM is showing a FRITZ!Box Cable as a technology study for the next boost in speed on the cable connection. This FRITZ!Box Cable uses 32 x 8 DOCSIS 3.0 multi-link PPP to enable data rates of up to 1.7 Gbit/s downstream and 240 Mbit/s upstream. In the home network, too, FRITZ!Box Cable will offer gigabit speeds thanks to dual-band wireless (2.4 GHz and 5 GHz) and 4 x 4 Multi-User MIMO with up to 2.5 Gbit/s. The 4 x 4 Multi-User-MIMO technology for Wireless AC Wave 2 and 4 x 4 MIMO for Wireless N with up to 800 Mbit/s provide for extremely stable applications. In addition to the advantages of FRITZ!OS, the FRITZ!Box offers an integrated TV tuner for television throughout the home: The FRITZ!Box Cable transmits the DVB-C signal directly to mobile devices via wireless LAN/IP. This means the cable TV program in the home network can be received even on smartphones and tablets. The TV receiver function is performed by the free FRITZ!App TV for Android and iOS.
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post #39 of 39 Old 05-20-2015, 11:48 PM
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I use a Motorolla SurfBoard SB6120 + ASUS AC66U. It has been working excellent for the last 3 months.
My set up, isn't working so great anymore. I guess time to update.
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