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Charter Spectrum Updates Approved Modem List for New Speed Tiers

Phillip Dampier January 11, 2018 Broadband Speed, Charter Spectrum, Consumer News 6 Comments

[Clarification 1/15/2018: This list only covers customer-owned modems approved by Charter Communications. It is not a comprehensive list of modems that may have been supplied directly by Charter/Spectrum, or its predecessors Time Warner Cable or Bright House Networks, which are obviously also acceptable. However, if you have a modem supplied by Time Warner or Bright House, it might not support the upgraded faster speeds Spectrum now offers. You might want to contact customer service to verify whether your current modem is capable of performing at the speeds now provided.]

Charter Communications recently increased broadband speeds for most of their customers, and many cable modems that are still in use from the days of Time Warner Cable and Bright House Networks cannot support the company’s fastest speed tiers. As a result, Charter has updated their approved/recommended cable modem list to help customers obtain a modem that can support faster speeds.

Those customers who have moved away from a legacy Time Warner Cable or Bright House internet plan can get a free cable modem from a local Spectrum cable store. If you prefer to still own your own, here is the updated listing. We recommend choosing a model capable of supporting up to 300 Mbps speed because additional speed upgrades are likely in the future. Most customers now receive at least 100 Mbps service, so at least choose a model that can support that speed.

Gigabit (940 Mbps) Tier

At this time there are no modems that have passed certification testing for the Spectrum Internet 1 Gig speed tier (940Mbps). You need to use a cable modem supplied by Charter/Spectrum.

400 Mbps

Vendor Model
ARRIS SB6190
ASUS CM-32_AC2600
Linksys CM3024
NETGEAR C7000-100NAS
NETGEAR CM600

300 Mbps

Vendor Model
ARRIS SB6183
ARRIS SB6190
ARRIS SBG6900-AC
ASUS CM-16
Motorola MB7420
Motorola MB7540
Motorola MB7550
NETGEAR C6250
NETGEAR C6300
NETGEAR CM500-100NAS
SMC NETWORKS D3CM1604
TP-Link Archer CR700
TP-LINK TC-7620
Zoom 5370

100 Mbps

Vendor Model
ARRIS SB6141
ARRIS SBG6400
ARRIS SBG6580
ARRIS SBG6580-2
ARRIS SBG6700-AC
D-Link DCM301
LINKSYS CM3008
Motorola MB7220
Motorola MG7310
Motorola MG7315
NETGEAR C3000-100NAS
NETGEAR C3700-100NAS
NETGEAR CM400
NETGEAR 450 CG3000Dv2
TP-LINK TC-7610
TP-LINK TC-W7960
ZOOM 5341J
ZOOM 5345
ZOOM 5350
ZOOM 5352
ZOOM 5354
ZOOM 5360
ZOOM 5363
ZyXEL CDA30360

60 Mbps

Vendor Model
ARRIS SB6120
ARRIS SB6121
Netgear CDM31T

These modems are NOT RECOMMENDED, but are still allowed on the Charter/Spectrum network.

Vendor Model
ARRIS SBG6950AC2
ARRIS SBG7400AC2
ARRIS SBG7580
ASUS CM-32
LINKSYS CG7500
LINKSYS CM3016
NETGEAR C3000v2
NETGEAR C3700v2
NETGEAR C6300-100NAS
NETGEAR C6900
NETGEAR C7000v2
NETGEAR C7500
NETGEAR CM700
NETGEAR N450-100NAS
TP-LINK CR500
TP-LINK CR1900
TP-LINK TC7650
ZOOM Motorola MB7621

Comcast Boosting Speeds Across Central U.S.; Most Will Get 25-100Mbps Service

Phillip Dampier November 15, 2017 Broadband Speed, Comcast/Xfinity, Consumer News 4 Comments

Comcast is raising broadband speeds across its expansive Central Division, which covers customers in Alabama, Arkansas, Florida, Georgia, Indiana, Illinois, Kentucky, Louisiana, Michigan, Mississippi, South Carolina, and Tennessee.

  • Performance Starter (10Mbps) increases to 25Mbps;
  • Performance (25Mbps) will now be 60Mbps;
  • XFINITY Blast! (75Mbps) rises to 100Mbps.

Customers subscribed to the Performance tier will see the biggest speed jump, rising by more than double the current speed.

The new speeds are gradually rolling out to customers in these states from mid-November until mid-December. In some cases, customers will need to briefly unplug their cable modems to get the free speed upgrade.

 

Cable Operators Get Ready for DOCSIS 3.1 With Up to 3 Million New Modems Shipping in 2017

Phillip Dampier May 4, 2017 Broadband Speed, Consumer News 4 Comments

Arris SB8200 DOCSIS 3.1 modem

You know cable operators are getting serious about DOCSIS 3.1 when they open their checkbooks and buy millions of new cable modems capable of supporting the next-generation cable broadband standard.

Arris, one of the country’s biggest cable equipment manufacturers, reports it expects to ship at least two million DOCSIS 3.1 modems this year, a number analyst firm SNL Kagan says is conservative. They predict the number will be closer to three million.

Arris told its investors in the company’s first-quarter earnings conference call that the company is doing extremely well, with sales reaching $1.48 billion this quarter, and expected to be up another $1.69 billion by the summer.

Most of Arris’ modems are likely to end up at Comcast, where the cable operator plans to aggressively introduce DOCSIS 3.1 starting this year. Cox, Mediacom, and RCN are also expected to be big buyers of DOCSIS 3.1 technology this year. The one notable exception is Charter Communications, which remains preoccupied integrating Time Warner Cable and Bright House Networks into its existing operations and still has a large number of legacy Time Warner Cable systems left to upgrade to all-digital service — a process that is likely to continue for the next few years. Charter is not expected to move aggressively towards DOCSIS 3.1 until 2018 or 2019. Cablevision is also sitting out DOCSIS 3.1. Altice plans to scrap Cablevision’s existing hybrid fiber-coax network and move to fiber-to-the-home technology for its customers.

DOCSIS 3.1 will allow operators to more easily introduce gigabit download speeds and offer additional bandwidth efficiency. Arris’ first DOCSIS 3.1 modem is the SB8200, available now for $199.99 on Amazon.

Class Action Lawsuits Hit Cable Modem Manufacturers Over Widely-Reported Defect

Phillip Dampier April 26, 2017 Consumer News, Public Policy & Gov't 1 Comment

The Netgear CM700 is the target of a class action lawsuit filed in California.

As consumers increasingly spend money out-of-pocket to acquire their own cable modems to avoid leasing fees, alleged defects in those modems are spurring class action lawsuits to force manufacturers to fix the problems or issue refunds.

Two separate class action cases have been filed this month in Calfornia courts alleging “serious defects” in the Netgear CM700 and Arris SURFboard SB6190 — both newer DOCSIS 3.0 modems. But those modems are not the only ones affected by a serious firmware bug that can dramatically degrade internet performance.

Both modems rely on a relatively new Intel Puma 6 chipset, which some media outlets have also implicated in similar defects in a variety of cable modems including the Hitron CGNV4, the Compal CH7465-LG, and Puma 6-based modems like Virgin Media’s Hub 3 and Comcast’s top-end Xfinity boxes. Other newer modems branded by Linksys and Cisco also use the same system-on-chip and may also be affected.

The law firm of Schubert, Jonckheer & Kolbe, which is handling the Netgear legal case, says these cable modems may be affected:

  • Arris SB6190
  • Arris TG1672G
  • Arris TM1602
  • Super Hub 3 (Arris TG2492LG)  (commonly, Virgin Media)
  • Hitron CGN3 / CDA / CGNV series modems:
  • Hitron CDA-32372
  • Hitron CDE-32372
  • Hitron CDA3-35
  • Hitron CGNV4
  • Hitron CGNM-3552 (commonly, Rogers)
  • Hitron CGN3 (eg CGN3-ACSMR)
  • Hitron CGNM-2250 (commonly, Shaw)
  • Linksys CM3024
  • Linksys CM3016
  • TP-Link CR7000
  • Netgear AC1750 C6300 AC1900
  • Netgear CM700
  • Telstra Gateway Max (Netgear AC1900 / C6300) (Australia)
  • Cisco DPC3848V
  • Cisco DPC3941B / DPC3941T  (commonly, Comcast Xfinity XB3)
  • Cisco DPC3939
  • Compal CH7465-LG / Arris TG2492LG (commonly, Virgin Media Hub 3)
  • Samsung Home Media Server

Customers of Comcast, Charter, and Cox in the United States are impacted, as well as Rogers and Shaw customers in Canada and Virgin Media in the United Kingdom. The faster your internet connection, the more likely you will notice the defect, which causes dramatic latency spikes and degraded internet performance.

Intel admitted there was a problem back in December, but ISPs have been slow to respond.

Intel acquired the Puma family of chips from Texas Instruments in 2010, and the latest — the DOCSIS 3.0-compatible Puma 6 – uses an Atom x86 processor designed to handle up to 1.6Gbps connections. Unfortunately, the engineers who developed the firmware have tasked the Atom CPU with too much work while it also copes with processing network packets on a high-speed internet connection.

As The Register reported back in December:

Every couple of seconds or so, a high-priority maintenance task runs and it winds up momentarily hogging the processor, causing latency to increase by at least 200ms and, over time, about six per cent of packets to be dropped. It affects IPv4 and IPv6 – and it spoils internet gaming and other online real-time interaction that need fast response times.

This problem is easily seen in two graphs provided to the Register by a reader in Phoenix who plugged in two different modems to his Cox Cable internet connection. The blue lines represent latency and the red lines are packet loss. The test was performed with an ICMP ping running 33 times a second to his ISP’s DNS server over a 30 minute period.

An Arris SB6183 cable modem using an older Broadcom-based chipset exhibits no problems. (Image: The Register)

The Arris SB6190 running the new Intel Puma 6 chipset shows significant and readily identifiable problems. (Image: The Register)

Online gamers are among the most likely to be affected by latency problems.

“I excitedly swapped out my Arris SB1683 Broadcom modem for the new SB6190 Intel one expecting gigabit performance and immediately noticed slower webpage loads,” one gamer told The Register. “During first-person gaming, I was getting killed way more often for no apparent reason. I looked at an eight-year graph of latency from my home logs, and was horrified. Swapping back to my SB6183 solved all the issues.”

Arris also confirmed the problem.

“Arris has been working actively with Intel to address the issue, which resulted in some SURFboard SB6190 users reporting latency concerns,” a spokeswoman for Arris said. “We plan to quickly issue Intel’s firmware updates to resolve any latency. We remain committed to providing the best broadband experience for all users of Arris devices and regret any inconvenience this issue caused.”

Unfortunately, regardless of how fast modem manufacturers issue updated firmware to resolve the problem, end users will not notice a difference until their cable operator pushes that firmware update to customers. You cannot update cable modem firmware on your own, and any effort to do so would be futile because your provider would automatically replace it with an older “approved” version as soon as the unauthorized firmware change was identified.

The lawsuits seek a jury trial and damages forcing the manufacturers to recall the modems and either replace them or issue refunds to all affected customers. Customers who own an affected modem who want to participate in the class action case can fill out this form for more information.

Charter Watch: Goodbye TWC’s $10 Modem Rental Fee, Hello Spectrum’s $5 Wi-Fi Fee

Former Time Warner Cable and Bright House Networks customers in Florida, Ohio, Michigan, and Wisconsin were glad to see the end of modem rental fees, something promoted as a tangible deal benefit of the merger by new owner Charter Communications. But many of those same customers are now upset to discover that up to $10 modem rental fee has been replaced with a $5 monthly fee for “Wi-Fi service.”

LuAnn Summers, a Bright House customer in Tampa, wrote Stop the Cap! in February to complain her new bill from Charter/Spectrum included a $9.99 activation fee and $5 a month for something called “Wi-Fi Service.” The same fees have since appeared on bills for some customers recently switching away from their old Time Warner Cable service plans to new Spectrum pricing and plans.

Rich D’Angelo in Wisconsin recently took Charter up on its offer to switch away from his legacy TWC plan when his promotion expired in January.

“I was able to get a big speed boost and bundle it with Spectrum’s Silver TV package, which includes two of the premium movie channels I was paying TWC $15 each for every month, and my bill was only supposed to go up $10,” D’Angelo tells Stop the Cap! “Instead, it went up $25 and I feel lied to.”

Wi-Fi sticker shock.

D’Angelo retired his old owned Motorola SB6121 modem in favor of a new network gateway supplied free of charge by Charter because his new package didn’t work with his old modem.

“My 6121 modem was a real workhorse and I bought it right after Time Warner started charging modem fees, but it cannot support Spectrum’s fastest speeds in Wisconsin and I didn’t feel like buying a new modem when Spectrum gives them to customers for free,” D’Angelo explained. “This was the device they handed me and I was not offered any other option.”

Champagne Johnson in Columbus, Ohio also took advantage of Spectrum’s new pricing plans thinking she could save her family money and get better internet speeds from the cable operator that advertises it’s a “new day” for Time Warner Cable subscribers.

“New day but the same old lies and deceit,” Johnson writes Stop the Cap! “Do these cable companies only hire thieves? I was told the cable modem was included, but now I am suddenly getting charged for Wi-Fi, which is crazy. I called Spectrum up and they told me there is a charge if I use their modem for my Wi-Fi. I told them I don’t need their Wi-Fi because I have my own router that works fine and they told me it was included inside their modem and I had to pay for something I won’t use.”

Charter assumes if you use Wi-Fi, you want their Wi-Fi Service

We contacted Charter to learn more about this new charge and what customers can do about it.

It turns out the Wi-Fi charge and activation fee applies when you use a network gateway device provided by the cable company. We learned the reason so many customers are finding this charge on their bill comes as a result of slightly deceptive sales practices when customers choose a Spectrum internet service plan.

“Do you use Wi-Fi at home?” a Charter representative asked us when we inquired about pricing for a new Spectrum service plan to replace our existing Time Warner Cable plan. When we answered yes, the representative said they would send our “free equipment” and noted we would no longer pay a modem rental charge (despite the fact we had owned our own modem at Stop the Cap! HQ for years). “You can either pick it up in a cable store or we can ship it direct to you in a self-install kit.” That equipment was a “network gateway,” which bundles a cable modem and router into a single device.

Our readers confirm that Charter representatives did not ask them if they have an existing in-home router, which probably already provides Wi-Fi access in the home. Nor do they disclose that accepting a network gateway, which was also interchangeably referred to as “a modem” means they are agreeing to pay a $9.99 activation fee and $5/mo ongoing fee for “Wi-Fi service.”

We called three times this afternoon as were given identical information, and no disclosure of any Wi-Fi fees.

On the fourth call, we specifically asked about Wi-Fi fees and the representative told us they did not know the answer and left us on hold for 10 minutes before finally disclosing that Charter does charge both fees. When we asked how to avoid them, we were first told we could not waive the fee if we used Wi-Fi in the home, but a supervisor later clarified that it only applied to their gateway and we could specifically request a “basic modem” or have Wi-Fi disabled on a network gateway, and neither charge would apply.

“How are we supposed to know and understand that in advance?” Johnson asked us.

“Considering more than 90% of Time Warner Cable customers were paying $10 a month for a modem without ever realizing or understanding they could buy their own and avoid that charge, how many Spectrum customers are proficient enough to tell Spectrum they want their network gateway set to bridge mode or want a traditional cable modem without router functionality? It’s clear Charter is going to make $5 a month from a whole lot of customers, and it should be disclosed up front. It even got me and I am a network engineer.”

Summers learned about the controversy of the Wi-Fi charge after googling the fee and discovered a Tampa Bay Times story about the fee.

Spectrum spokesman Joe Durkin told the newspaper the fee should not apply to customers Charter inherited from Bright House who already had internet service. He said Spectrum is reviewing cases the Times has brought to its attention to see if the charges were appropriate.

But that isn’t always the case for customers placing orders on Charter’s website or contacting customer service by phone. In both cases, Charter implied if you want to use Wi-Fi at home, you owe them an extra $5 a month:

Charter’s website suggests that you have to pay $5 a month if you intend to use Wi-Fi at home.

Getting the charges off your bill

Luckily, Charter is readily agreeing to customer requests to remove the charge(s) from customer bills and will supply equipment with Wi-Fi disabled (or not present when using a traditional cable modem). You may need to exchange equipment, however. If either charge appears on your bill, call and complain. While we no longer recommend customers invest in their own cable modems as long as Charter is providing them without a rental fee, we do suggest customers buy their own router and avoid ongoing fees for Wi-Fi service.

Also be aware that if you are still on a legacy Time Warner Cable internet plan, Charter will keep collecting that $10 monthly modem fee until you abandon your Time Warner plan for a Spectrum internet plan. You can still avoid the rental fee by buying your own modem. Charter’s list of supported modems is here.

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