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The Best Modem Cm820A of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Modem Cm820A of 2023. Check our ranking below.
2,275 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
- High Quality 5 Foot Long AC Power Cord
- 5 YEAR FREE REPLACEMENT WARRANTY
- 3RD PARTY NON OEM PARTS
- CERTIFICATE: UL,ROHS
- Does Not Contain: Alkaline / Nickel / NIMH or Lithium Ion Batteries.
Last update on 2025-07-05 / 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 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.
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.