---
product_id: 377234294
title: "CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation)"
brand: "arris"
price: "C$9611"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/377234294-cm820a-cable-modem-docsis-3-0-latest-version-1-step
store_origin: NI
region: Nicaragua
---

# Two 96MHz RF tuners for ultra-wide frequency reception 8x4 bonded channels for blazing speeds Built-in MoCA® immunity filter for interference-free connection CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation)

**Brand:** arris
**Price:** C$9611
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock lightning-fast internet with ARRIS CM820A – Stay ahead, stay connected!

## Quick Answers

- **What is this?** CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation) by arris
- **How much does it cost?** C$9611 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/377234294-cm820a-cable-modem-docsis-3-0-latest-version-1-step)

## Best For

- arris enthusiasts

## Why This Product

- Trusted arris brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Activation:** Latest version supports 1-step activation for hassle-free setup at home or office.
- • **Blazing 8x4 Channel Bonding:** Experience superior throughput with advanced downstream/upstream bonding.
- • **Industry-Leading Durability:** Meets or exceeds radiated immunity and surge protection standards for reliable performance.
- • **Interference-Free Connectivity:** Built-in MoCA® immunity filter ensures crystal-clear signal quality.
- • **Ultra-Wide Frequency Reception:** Dual 96MHz RF tuners capture channels up to 1GHz for maximum bandwidth.

## Overview

The ARRIS CM820A is a DOCSIS 3.0 cable modem featuring 8x4 channel bonding for enhanced throughput, dual 96MHz RF tuners supporting frequencies up to 1GHz, and a built-in MoCA® immunity filter to reduce interference. It meets industry standards for radiated immunity and surge protection, ensuring reliable and durable performance. The latest version offers seamless 1-step activation, making it ideal for professional home or office internet setups.

## Description

ARRIS CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation)

## Features

- 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.Flexible NxM downstream/upstream channel bonding for superior throughput

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008GG78FU |
| Best Sellers Rank | #9,788 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #51 in Computer Networking Modems |
| Brand | ARRIS |
| Color | Black |
| Compatible Devices | Personal Computer |
| Connectivity Technology | Wired |
| Customer Reviews | 4.0 4.0 out of 5 stars (767) |
| Data Transfer Rate | 300 Megabits Per Second |
| Internet Service Provider | cox, optimum, spectrum, xfinity |
| Item Weight | 0.01 Ounces |
| Manufacturer | ARRIS |
| Maximum Downstream Data Transfer Rate | 300 Megabits Per Second |
| Maximum Upstream Data Transfer Rate | 300 Megabits Per Second |
| Modem Type | Cable |
| Number of Ethernet Ports | 2 |
| Number of Ports | 2 |
| UPC | 726947110717 |

## Product Details

- **Brand:** ARRIS
- **Internet service provider:** xfinity
- **Connectivity technology:** Wired
- **Compatible devices:** Personal Computer
- **Colour:** Black

## Images

![CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation) - Image 1](https://m.media-amazon.com/images/I/518+QY1-JbL.jpg)

## Frequently Bought Together

- ARRIS CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation)
- TP-Link AX1800 WiFi 6 Router V4 (Archer AX21) – Dual Band Wireless Internet, Gigabit, Easy Mesh, Works with Alexa - A Certified for Humans Device
- TP-Link Dual-Band AX3000 Wi-Fi 6 Router Archer AX55 | Wireless Gigabit Internet Router for Home | EasyMesh Compatible | VPN Clients & Server | HomeShield, OFDMA, MU-MIMO | USB 3.0 | Secure by Design

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ni/products/377234294-cm820a-cable-modem-docsis-3-0-latest-version-1-step](https://www.desertcart.ni/products/377234294-cm820a-cable-modem-docsis-3-0-latest-version-1-step)

---

*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-04-24*