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ARRIS Group, Inc > 
Item#: 9SIA0AJ3RK3362

ARRIS SurfBoard Extreme SBG6782-AC DOCSIS 3.0 AC1750 Cable Modem WiFi Router with build in MoCA (SBG6782-AC)

  • Wireless speed up to 1750Mbps
  • Cable download speeds up to 343 Mbps, upload up to 131Mbps
  • Compatible with Time Warner, Comcast, Charter, and others
  • Built-in MoCA adapter
  • 4x Gigabit ports

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the ARRIS Group, Inc SBG6782

Model

|
Brand
ARRIS
Model
SBG6782

Details

|
Type
Gateway Modem
Standards
DOCSIS 3.0

Features

|
Features
Four Products. One Device.
DOCSIS 3.0 Cable Modem
802.11ac WiFi Router
4-Port Gigabit Ethernet Router
MoCA Networking for Smart Devices

Compatibility
PC: Windows XP, Windows 7, Windows 8, (older versions of Windows, although not specifically supported, will work with this cable modem), UNIX, Linux
Macintosh: Power PC or later; OS 10 or higher
Home Networking Ethernet router and wireless access point

Dimensions 8.8 (h) x 2.1 (w) x 10.1 (l) in (224 x 54 x 256.5 mm)
DOCSIS 3.0: Bonding capability of 8 downstreams and 4 upstreams
MoCA 1.1: Share cable interface F-Connector

Input Power
North America 105 to 125 VAC, 60 Hz
Internal Power Supply 50W/12Vdc

Power Management: 802.11e WMM power save/U-APSD (Unscheduled-Automatic Power Save Delivery), 802.3az EEE

DOCSIS Downstream: Modulation 64 or 256 QAM
Bandwidth: Full bandwidth capture window 108 MHz - 1002 MHz

Maximum PHY Rate
DOCSIS: 343.072 Mbps (8 channels) / 42.884 (single channel) @ 256 QAM at 5.36 Msym/s
EuroDOCSIS: 444.928 Mbps (8 channels) / 55.616 (single channel) @ 256 QAM at 6.952 Msym/s

Symbol Rate: 64 QAM 5.057 Msym/s; 256 QAM 5.361 Msym/s
Operating Level Range -15 to 15 dBmV
Frequency Range 108 - 1002 MHz (edge to edge)
Frequency Plans: DOCSIS Annex B
Security: DOCSIS 3.0 Security (BPI+, EAE, SSD)
Provisioning:
IPv4
IPv6 (dual stack)
DS Lite

DOCSIS Upstream
Modulation QPSK and 8, 16, 32, 64, 128, 256 QAM
Maximum PHY Rate @256 QAM at 6.4 MHz
122.8 Mbps: 4 channels
30.72 Mbps: single channel
Channel Width 200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4 MHz
Symbol Rates 160, 320, 640, 1280, 2560, 5120 ksym/s
Frequency Range 5-42 MHz (edge to edge)
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Customer Reviews of the ARRIS Group, Inc SBG6782

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  • Shawn H.
  • 10/12/2015 8:56:35 AM
  • Ownership: more than 1 year

1 out of 5 eggsWifi Issues after only 1 Year.

Pros: When it was working I was very pleased with the speed and signal strength of this unit.

Cons: Worked Great for about a Year, Then the Wifi stopped broadcasting . I would have to constantly reset the Modem to get it to start broadcasting again. I got so frustrated with it, I had Brighthouse give me one of there out-of-date Modems :(. I should have Contacted Motorola/ ARRIS but didn't have the time or energy to trouble shoot this with them. I contacted ARRIS today and its out of my 2 year warranty.

Other Thoughts: Would definitely think twice before purchasing a product from them again.

1 out of 2 people found this review helpful. Did you? Yes No

  • Jeanne B.
  • 10/7/2015 9:52:16 AM
  • Ownership: 1 month to 1 year

1 out of 5 eggsWaste of money if wireless

Pros: Fairly future proof, good wired speeds (when it works)

Cons: ISP is responsible for pushing firmware updates, and since it is non standard equipment, that just doesn't happen at all.
The modem and wired router portion of it works fine but the WiFi drops constantly and no amount of time spent fiddling with the settings will fix it. The issue with the WiFi could probably be fixed with a firmware update, but you can't manually update it, so that will never happen.
Don't waste your money.
After 3 months of a "support" ticket open with ARRIS they seem to have blocked me and new tickets auto direct with a
"I apologize for the inconvenience, it appears you sent a reply
but we did not receive it. If you still need assistance your device please retry
your email or call us at ---"
Email response instantly. One of the worst customer supports I have seen.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 9/24/2015 7:16:01 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: speed, large Wi-Fi range, can handle multiple device connections without slowdown

Cons: only that it's size is quite large

Did you find this review helpful? Yes No

  • Zachary A.
  • 6/26/2015 4:56:51 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat modem

Pros: Ease of installation
Configuration easy for me
Multiple wireless networks

Cons: The firewall is lacking configuration

Other Thoughts: I would encourage anyone who has modem issues with a cable provider provided modem to get their own and use it. Usually the monthly fee for using their modem plus the extra fee for wifi will pay for a new one over 12 months. That is the tangible return.

Ever since I have implemented this modem, my internet speed is always at peak or better than the best effort from my cable provider; I have a 50 by 5 service and I usually get about 60 MB down 6 MB up. Note your rates may vary by how good a connection you have from your provider. This is the intangible return/value-add that impressed me to write this review.

Before when it would rain, the old modem would have such issues handling the weather and the connection would drop in a medium to heavy rain. With the new one, I have had it only drop once and that was minutes before the power went out as well in a very heavy rain.

In the medium to heavy rain, it will get some errors but nothing too drastic.


If you do have to call your cable provider, they will tell you they can only do limited amount of tests as they don't control the modem. So for those not tech savvy, you may have to help them out with getting error information to determine where the issue is.

2 out of 2 people found this review helpful. Did you? Yes No

  • Walter K.
  • 5/10/2015 11:34:54 PM
  • Ownership: less than 1 day

5 out of 5 eggsfantastic

Pros: Needed to replace a router that constantly disconnected and couldn't access numerous websites, including Facebook's picture server. Instant setup, wireless devices hooked up with no issue and everything works perfectly.

Cons: Well it's kind of big and an ugly white color..

Did you find this review helpful? Yes No

  • Anonymous
  • 2/2/2015 2:57:56 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsWiFi sucks

Pros: Good feature set, easy setup

Cons: ISP is responsible for pushing firmware updates, and since it is non standard equipment, that just doesn't happen at all.
The modem and wired router portion of it works fine but the WiFi drops constantly and no amount of time spent fiddling with the settings will fix it. The issue with the WiFi could probably be fixed with a firmware update, but you can't manually update it, so that will never happen.
Don't waste your money.

1 out of 7 people found this review helpful. Did you? Yes No

  • Jeff H.
  • 1/29/2015 5:52:17 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Simple to setup and just works fantastic, got rid of lots of errors my old router was giving me.

Cons: None I've seen so far.

Did you find this review helpful? Yes No

  • Tommy T.
  • 1/11/2015 10:41:58 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDon't waste your money

Pros: Great unit at first look, Has it ALL !

Cons: Unit will not do all available options and remain stable, In-fact factory default will become unstable in a couple days.

Other Thoughts: I'm sure that The issue is that cable company is responsible for firmware upgrade's.
I just put unit in bridge mode and added a standalone router and standalone WIFI bridge, Each one doing its own thing and it seems to work well.

2 out of 3 people found this review helpful. Did you? Yes No

5 out of 5 eggsFast and reliable modem

Pros: Nice web interface, easy to configure, has both 2.4 GHz and 5.0 GHz radios, does not require external power supply, includes cable modem, 4 ports gigabit switch and WiFi access point in single housing. WPS can be disabled in settings. Allows 2 primary wireless networks and up to 6 wireless guest networks. Range is great in 2 levels apartment with brick walls.

Cons: Pretty large device and might not fit all places. Designed to be placed vertically only. Does not allow to enter custom DNS entries.

Other Thoughts: Purchased from local store to replace dated DOCSIS 2.0 Linksys modem. Using this with Cox in Virginia. Cox's subscriber self-configuration did not work and I had to make a phone call. After first call modem started to work properly, but I didn't get expected 50 mbps. Made second call to Cox, employee told me that they didn't switch DOCSIS 2.0 to 3.0 in modem profile configuration file. After this modem is working well and I am getting correct transfer rates.

3 out of 3 people found this review helpful. Did you? Yes No

  • John C.
  • 10/23/2014 8:05:56 AM
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsAvoid If You're An Advanced User

Pros: - A fully-featured home network hub in one attractive white box!
- Easily fits under a desk!
- MoCA is awesome! It's a shame it's not more popular!

Cons: - FIRMWARE IS MANAGED BY THE CABLE CO., NOT YOU!
- Limited configurability for advanced routing functions.

Other Thoughts: I bought this as a cumulative update to my home network. I wanted 802.11ac, MoCA, a gigabit switch near the modem, and of course the modem itself. This thing has it all in one pretty package and it functions well.

For the standard use case, this product is a fine piece of work. However, I find nothing but disappointment when I want to do advanced tasks:
- Add a new route to a subnet in my home office? Nope! After scouring through all the menus and even telnet'ing in to see what the command prompt had to offer, I had to resort to an Ethernet switch instead.
- Turn on IPv6 and see if I can get an address from my ISP? Nope! This shipped with IPv6 support as I recall seeing the config option and deciding to wait to tackle that another day (the whole no-NAT thing caught me off guard). However, at some point my ISP decided to reconfigure my modem and now IPv6 is no longer an option. Chances are it's not supported by my ISP, but how do I know someone at the C.O. didn't just configure it incorrectly? They don't usually deal with gateways, so it is quite possible they just went with a default profile that only runs IPv4.


I usually avoid all-in-one solutions like the plague because they almost always sacrifice configurability and as parts go out of date space efficiency goes out the window. However, this one was just too perfect. If I had known that I was relinquishing control of the firmware and low-level settings to my cable company I would have avoided this product like a plague.

Oh well, consider this lesson learned. I'll still keep it around as it does serve its purpose, but I won't be willingly buying another gateway for the foreseeable future.

3 out of 5 people found this review helpful. Did you? Yes No

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ARRIS Group, Inc > 
Item#: 9SIA0AJ3RK3362
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