---
product_id: 3103494
title: "CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation)"
brand: "arris"
price: "$2365"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/3103494-cm820a-cable-modem-docsis-3-0-latest-version-1-step
store_origin: MX
region: Mexico
---

# Meets surge & radiated immunity standards for reliable uptime 8x4 channel bonding 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:** $2365
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock lightning-fast internet with ARRISCM820A — because buffering is so last decade!

## Quick Answers

- **What is this?** CM820A Cable Modem DOCSIS 3.0 (Latest Version - 1 Step Activation) by arris
- **How much does it cost?** $2365 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/3103494-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

- • **Dual 96MHz RF Tuners:** Two independent tuners capture downstream channels up to 1GHz, maximizing bandwidth efficiency.
- • **Plug & Play Activation:** Latest version with 1-step activation means you’re online faster—no hassle, no waiting.
- • **Rock-Solid Reliability:** Engineered to meet industry surge and radiated immunity standards, so your connection stays stable when it matters most.
- • **Blazing Fast Throughput:** 8x4 bonded channels deliver superior download/upload speeds to keep you ahead in the digital race.
- • **Interference-Free Streaming:** Integrated MoCA® immunity filter ensures your connection stays crystal clear, even in busy network environments.

## Overview

The ARRISCM820A is a DOCSIS 3.0 cable modem featuring 8x4 channel bonding, dual 96MHz RF tuners, and a built-in MoCA® immunity filter. Designed for superior throughput and reliable performance, it meets industry surge and radiated immunity standards. Its latest version supports one-step activation for quick setup, making it ideal for professionals demanding fast, stable internet connectivity.

## 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:** cox, optimum, spectrum, xfinity
- **Connectivity Technology:** Wired
- **Compatible Devices:** Personal Computer
- **Color:** 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)
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---

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**Shop now:** [https://www.desertcart.mx/products/3103494-cm820a-cable-modem-docsis-3-0-latest-version-1-step](https://www.desertcart.mx/products/3103494-cm820a-cable-modem-docsis-3-0-latest-version-1-step)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-20*