Arris

Arris TM822

Name: Arris TM822
Brand: Arris
SKU: B00U2OUZNG
Price: 27.99 USD
Availability: InStock
Rating: 4.2 (175 reviews)

$27.99

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TM822ABlack

Modems

Expert Review Analysis

The Arris TM822A is an 8×4 DOCSIS 3.0 embedded multimedia terminal adaptor that merges cable modem and VoIP telephony into a single unit. It provides downstream speeds over 300 Mbps and supports two carrier‑grade voice lines, making it suitable for high‑speed internet and telephone service in one device.

✓ Best for: Home and small‑business users who need both high‑speed cable internet and integrated telephone service, cable subscribers (e.g., Optimum, Time Warner Cable, Xfinity) seeking a single‑box solution, VoIP users wanting carrier‑grade voice without a separate adapter, and users who may require battery backup during power outages (TM822G variant).

Pros

✓Combines modem and VoIP in a single device, eliminating the need for separate equipment
✓Delivers data speeds exceeding 300 Mbps, competitive against VDSL and fiber‑to‑the‑home services
✓Two independent RF tuners capable of receiving downstream channels up to 1 GHz
✓

Best Seller Rank History

Now#246Best#83Worst#246 -49

Lower = better sales rank

Rating Trend

Rating4.1/ 5Reviews174+-1 reviews -0.11

Specifications

Battery

Battery Backup Duration Options6, 8, 12, 18, 24 hours

Connectivity

RF InterfaceExternal 75‑ohm F‑type connector

Ethernet Interface10/100/1000 Base‑T RJ‑45

Diagnostic LEDsPower, DS, US, Online, Link, Tel 1, Tel 2

Design

Height3.0 in (76.2 mm) mm

Width8.5 in (215.9 mm) mm

Depth10.0 in (254 mm) mm

Weight0.875 lbs (396 g) g

Features

Voice Lines2 primary lines

Maximum Loop Length1000 ft (305 m) of 26 AWG wire

Ringing Load Capacity10 REN total; 5 per line

High Loop Current ModeYes

Telcordia GR 1089 TestingYes

General

BrandArris

ModelTM822A

SeriesTM822

ColorBlack

Network

Downstream Frequency Range108 to 1002 MHz

Downstream Bonded ChannelsUp to 8

Number of Tuners2

Capture Bandwidth96 MHz per tuner (192 MHz total)

Modulation64 or 256 QAM

Power

Operating Temperature0 to 50°C

Operating Humidity5% to 95%

Storage Temperature-40 to 70°C

RF Downstream

Frequency Range108–1002 MHz (edge‑to‑edge)

Bonded ChannelsUp to 8 downstream channels

Telephony

Voice Lines2 primary carrier‑grade VoIP lines

Telcordia GR 1089 TestingLightning and power surge testing certified

Dimensions & Weight

Height3.0 inches

Width8.5 inches

Depth10.0 inches

Weight0.875 Pounds

Research Sources

device.report

adamscableequipment.com

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Arris TM822

Expert Review Analysis

Best Seller Rank History

Rating Trend

Specifications

Battery

Connectivity

Design

Features

General

Network

Power

RF Downstream

Telephony

Dimensions & Weight

Research Sources

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