--- product_id: 42066598 title: "Arris Surfboard mAX (8x4) DOCSIS 3.0 Cable Modem, 343 Mbps Max Speed, Xfinity Telephone Capable for 2 Lines, Certified for Comcast Xfinity Only (TM822R)" brand: "arris" price: "Rp4817411" currency: IDR in_stock: true category: "Arris" url: https://www.desertcart.id/products/42066598-arris-surfboard-max-8x4-docsis-3-0-cable-modem-343 store_origin: ID region: Indonesia --- # 343 Mbps max speed 2 voice lines support Battery backup option Arris Surfboard mAX (8x4) DOCSIS 3.0 Cable Modem, 343 Mbps Max Speed, Xfinity Telephone Capable for 2 Lines, Certified for Comcast Xfinity Only (TM822R) **Brand:** arris **Price:** Rp4817411 **Availability:** ✅ In Stock ## Summary > 🚀 Own your speed, own your connection—ditch rentals, upgrade your digital life! ## Quick Answers - **What is this?** Arris Surfboard mAX (8x4) DOCSIS 3.0 Cable Modem, 343 Mbps Max Speed, Xfinity Telephone Capable for 2 Lines, Certified for Comcast Xfinity Only (TM822R) by arris - **How much does it cost?** Rp4817411 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/42066598-arris-surfboard-max-8x4-docsis-3-0-cable-modem-343) ## 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 Voice Line Ready:** Supports 2 telephone lines so you never miss a call, perfect for home office multitasking. - • **Plug & Play Activation:** Easy self-install with quick activation for internet and phone—skip installer hassles and get online fast. - • **Power Outage Resilience:** Optional battery backup keeps your phone service alive during blackouts—stay connected when it counts. - • **Save Monthly Rental Fees:** Own your modem and cut out the $10+ monthly rental fee—smart savings for savvy professionals. - • **Blazing Fast Connectivity:** DOCSIS 3.0 tech delivers up to 343 Mbps for seamless streaming and work-from-home flow. ## Overview The ARRIS SURFboard mAX TM822R is a DOCSIS 3.0 cable modem certified for Comcast Xfinity, offering up to 343 Mbps download speeds and dual voice line support. Designed for professionals seeking reliable, high-speed internet and crystal-clear phone service, it features multi-processor tech for uninterrupted performance and an optional battery backup for emergency power. This modem enables users to save on rental fees with easy self-activation, making it a top choice for efficient, cost-conscious connectivity. ## Description The TM822R is a telephony modem designed for XFINITY customers desiring to own their device. Using DOCSIS 3.0 technology the TM822R provides high-speed data service using bonded send and receive channels for greater bandwidth. The TM822R includes 2 Voice ports for 1ST and 2nd line telephony services. A battery backup option is available to provide emergency services in the event of a power outage in the home. Using multi-processor technology, the TM822R can achieve High bandwidth performance without affecting Voice quality, a historical ARRIS product standard for the best in service performance. The TM822R is a telephony modem designed for XFINITY customers desiring to own their device. Using DOCSIS 3.0 technology the TM822R provides high-speed data service using bonded send and receive channels for greater bandwidth. The TM822R includes 2 Voice ports for 1ST and 2nd line telephony services. A battery backup option is available to provide emergency services in the event of a power outage in the home. Using multi-processor technology, the TM822R can achieve High bandwidth performance without affecting Voice quality, a historical ARRIS product standard for the best in service performance. ## Features - Brand New in box. The product ships with all relevant accessories ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06XD6VQ1J | | Best Sellers Rank | #50,597 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #173 in Computer Networking Modems | | Brand | ARRIS | | Built-In Media | Cable Modem, ethernet cables, power chord, quick start guide, telco cables | | Color | Black | | Compatible Devices | Personal Computer, Laptop, Smartphone, Router, Tablet, Printer, Gaming Console | | Connectivity Technology | cable | | Customer Reviews | 4.3 4.3 out of 5 stars (554) | | Data Transfer Rate | 343 megabits_per_second | | Global Trade Identification Number | 00612572213858 | | Internet Service Provider | cox, optimum, spectrum, xfinity | | Item Type Name | ARRIS SURFboard DOCSIS 3.0 (8x4) Cable Modem/ 2-Voice Lines (TM822R) for Comcast Xfinity (Black Retail Packaging) | | Item Weight | 2 pounds | | Manufacturer | ARRIS Solutions, Inc. | | Maximum Downstream Data Transfer Rate | 343 megabits_per_second | | Maximum Upstream Data Transfer Rate | 123 megabits_per_second | | Mfr Part Number | TM822R | | Model Number | TM822R | | Modem Type | Cable | | Number of Ethernet Ports | 1 | | Number of Items | 1 | | Number of Ports | 2 | | UPC | 612572213858 | | Unit Count | 1 Count | | Warranty Description | 2 year limited parts and labor | ## Product Details - **Brand:** ARRIS - **Color:** Black - **Compatible Devices:** Personal Computer, Laptop, Smartphone, Router, Tablet, Printer, Gaming Console - **Connectivity Technology:** cable - **Internet service provider:** cox, optimum, spectrum, xfinity ## Images ![Arris Surfboard mAX (8x4) DOCSIS 3.0 Cable Modem, 343 Mbps Max Speed, Xfinity Telephone Capable for 2 Lines, Certified for Comcast Xfinity Only (TM822R) - Image 1](https://m.media-amazon.com/images/I/61DW7UQkGiL.jpg) ## Frequently Bought Together - ARRIS SURFboard mAX (8x4) DOCSIS 3.0 Cable Modem, 343 Mbps Max Speed, Xfinity Telephone Capable for 2 Lines, Certified for Comcast Xfinity Only (TM822R) - 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 - Cat 8 Ethernet Cable, 1.5Ft 3Ft 6Ft 10Ft 15Ft 20Ft 30Ft 40Ft 50Ft 60Ft 100Ft Heavy Duty High Speed Internet Network Cable, Professional LAN Cable Shielded in Wall, Indoor&Outdoor --- ## 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.id/products/42066598-arris-surfboard-max-8x4-docsis-3-0-cable-modem-343](https://www.desertcart.id/products/42066598-arris-surfboard-max-8x4-docsis-3-0-cable-modem-343) --- *Product available on Desertcart Indonesia* *Store origin: ID* *Last updated: 2026-11-14*