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The Best arris cm820a modems of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best arris cm820a modems of 2023. Check our ranking below.
2,435 Reviews Scanned
- 8x4 bonded downstream/upstream channel for superior throughput
- Built in MoCA® immunity filter
- Two independent 96MHz wide RF tuners to receive downstream channels up to 1GHz
- Meet or exceed industry radiated immunity and surge requirements
- Please check with your Internet Service Provider for compatibility in your home or office
- NOTE: Customer's must verify if their cable company will allow them to use this prior to purchasing even if they have the exact same model some of these modems are pre-programmed from their cable company so their cable company must update the firmware in order for it to work in some cases.
- Verify compatibility prior to purchasing. Ask internet provider to format item if it is not working through either a firmware update or the internet provider resetting the item to format to the customer's network connection.
- Backwards compatible with DOCSIS 1.0, 1.1, and 2.0 . CM820A DOCSIS 3.0 compliant. Comcast Compatible! (and more!)
- 8x4 downstream/upstream channel-bonding with superior throughput. Note: please contact the ISP to check the compatibility. Note: please contact the ISP to check the compatibility. 10/100/1000 Base-T Ethernet interface
- Best troubleshooting advice for this item: 1) Always verify if your cable company will allow you to use or own this item 2) Always do the online setup first, most of the time the firmware update will be automatic this way if it is needed. 3) Demand a supervisor if a CSR (customer service rep) will not assist in the setup 4) Customers can always contact us through messaging for assistance we respond to all messages with 24 hours 365 days a year.
- High quality replacement polarized AC 2 prong power cord cable.
- Replace your overused, old, broken, damaged, or misplaced power cable or add extra distance / extension between devices for convenience
- 2 slot polarized power cords, 125V 10A 18AWG(approx.0.824mm2) extension ac cable connects from your equipment socket to a standard 2 pronged AC outlet.
- AC two prong polarized power cord replacement for Arris Touchstone DG950 DG950A TG2472 Xfinity TG1682 TG1682G Modem Router
- Package content: 1 x 2.5 meter ( 8 Foot ) length Extension AC two prong Power Cord Cable
- A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing. .Telephone Port : None. HD Multi-Media Streaming : Yes.
- Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
- Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
- System requirements 1. High-speed Internet access account 2.Web browser access – Internet Explorer, Google Chrome, Firefox, or Safari 3. Compatible operating systems: 4. Windows 10 5. Windows 8 6. Windows 7 Service Pack 1 (SP1) Note: Although older versions of Microsoft Windows operating systems are no longer specifically supported, they should still function with your SB8200. a.Macintosh 10.4 or higher b. UNIX c. Linux
- Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
Last update on 2025-07-07 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Is the Arris cm820a cable modem backwards compatible?
A: DOCSIS 3.0 Modem with 8×4 Channel Bonding – Backwards Compatible With DOCSIS 2.0 The ARRIS DOCSIS 3.0 8×4 Cable Modem CM820A features high speed data access to cable service subscribers for both home & business.
Q: What kind of cable modem does Arris use?
A: The ARRIS DOCSIS 3.0 8×4 Cable Modem CM820A features high speed data access to cable service subscribers for both home & business. The CM820 meets the productivity needs with the speed and performance found only in the 8×4 bonded channel cable environment along with industry-leading ARRIS reliability.
Q: What kind of cable do I need for my cm820?
A: 75-ohm coaxial cable with F-type connectors is required to connect the CM820 to the nearest cable outlet. Cable service must be activated with an Internet Service provider to access the Internet and other online services.
Q: What is the data speed of the cm820?
A: With the CM820, cable operators can offer data services at speeds greater than 300Mbps to their subscribers to compete against VDSL and fiber to the home threats.