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- ARRIS CM820A Cable Modem DOCSIS 3.0 (Latest V...
ARRIS CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation)
QAR 248
Price Details
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The Touchstone DOCSIS 3.0 8x4 Cable Modem CM820 delivers ultra-high speed data access to cable service subscribers’ homes and businesses.
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What Stands Out
Product Details
- The Touchstone DOCSIS 3.0 8x4 Cable Modem CM820 delivers ultra-high speed data access to cable service subscribersâ homes and businesses. Designed to support the services desired most by advanced users, including full support for new IPv6 services, the CM820 enables the home or small business user to address productivity needs with the speed and performance found only in the 8x4 bonded channel cable environment along with industry-leading ARRIS reliability. 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. The CM820 enables Cable Operators to support businesses with Ethernet Services over DOCSIS using the Cablelabs BSoD implementation and provides competitive high capacity commercial services to businesses.
| Modem type | Cable Modem |
| Compatible service provider | spectrum, optimum, cox, xfinity |
| Docsis version | 3.0 |
| Transfer rate | 300 Mbps |
| Number of downstream channels | 8 |
| Number of upstream channels | 4 |
| Brand | ARRIS |
| Number of ports | 2 |
| Model | CM820A |
| Internal/external | External |
| Has written warranty | No |
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
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High-Speed Users
Ideal for gamers and streamers needing reliable, high-speed internet connectivity for optimal performance.
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Single Household
Best suited for smaller homes with few connected devices, ensuring easy setup and efficient bandwidth usage.
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Budget-Conscious
Great for users looking for an affordable modem that still delivers essential high-speed internet functionality.
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Large Families
May not support multiple simultaneous high-demand devices effectively in larger households without interruptions.
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Advanced Users
Lacks some advanced features and settings that tech-savvy users might need for customization and optimization.
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Cable Alternatives
Not suitable for users relying on fiber optics or satellite connections, as it's specifically a cable modem.
Product Description
Customer Questions & Answers
-
Question:
Is the CM820 compatible with all Internet Service Providers?
Answer: Please check with your Internet Service Provider for compatibility in your home or office. -
Question:
What speeds can I expect with this modem?
Answer: The CM820 enables data services at speeds greater than 300Mbps. -
Question:
Can this modem support business Ethernet services?
Answer: Yes, the CM820 supports Ethernet Services over DOCSIS for business users.
ARRIS Arris Modems Editorial Review
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Pros
- Fast internet speeds
- Easy installation process
- Reliable performance
- Compatible with most ISPs
- Future-proof design
Cons
- Occasional compatibility issues with older devices.
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
QAR 248
Currently unavailable.
We don't know when or if this item will be back in stock.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- 8x4 bonded channels ensure superior throughput.
- Built-in MoCA® immunity filter for reliable performance.
- Two independent RF tuners enhance channel reception up to 1GHz.
- Supports high-speed data access over 300Mbps.
- Designed for advanced users with full IPv6 support.
- ARRIS reliability ensures dependable service for homes and businesses.

