---
product_id: 377234294
title: "ARRIS CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation)"
brand: "arris"
price: "A$186"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/377234294-arris-cm820a-cable-modem-docsis-3-0-latest-version-1
store_origin: AU
region: Australia
---

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

**Brand:** arris
**Price:** A$186
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** ARRIS CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation) by arris
- **How much does it cost?** A$186 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/377234294-arris-cm820a-cable-modem-docsis-3-0-latest-version-1)

## 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 |
|---------------|-------|
| Brand | ARRIS |
| Series | FBA_P-10-20521 |
| Item model number | FBA_P-10-20521 |
| Item Weight | 0.01 ounces |
| Product Dimensions | 7 x 7 x 2 inches |
| Item Dimensions  LxWxH | 7 x 7 x 2 inches |
| Color | Black |
| Batteries | 1 Lithium Ion batteries required. |
| Manufacturer | ARRIS |
| ASIN | B008GG78FU |
| Is Discontinued By Manufacturer | No |
| Date First Available | August 19, 2013 |

## Product Details

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

## Images

![ARRIS 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)
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---

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

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-25*