The Arris DG860A is a powerful DOCSIS 3.0 residential gateway that integrates three essential networking components into a single device: a cable modem, a 4-port Gigabit Ethernet router, and a 2.4 GHz 802.11n wireless access point. This all-in-one design reduces equipment clutter, simplifies installation, and delivers seamless high-speed connectivity for both wired and wireless devices in homes and small offices.
With 8 downstream channels and 4 upstream channels bonded, the DG860A supports broadband speeds of up to ≈ 320 Mbps downstream and ≈ 160 Mbps upstream, making it capable of handling modern high-bandwidth applications such as HD video streaming, online gaming, VoIP, and cloud services. Its DOCSIS 3.0 compliance ensures backward compatibility with older DOCSIS standards, providing flexibility for different service provider networks.
The built-in wireless access point uses 802.11n 2×2 MIMO technology to deliver wireless throughput up to 300 Mbps over the 2.4 GHz band. Combined with 4 Gigabit LAN ports, the gateway can support a wide variety of connected devices including smart TVs, computers, IoT devices, and smartphones.
Beyond connectivity, the Arris DG860A includes robust software features that provide enhanced control and security. It supports IPv4 and IPv6, VLAN tagging, Quality of Service (QoS) for prioritizing real-time traffic, firewall protection, and NAT routing. Service providers benefit from multiple provisioning and management options including SNMP v2/v3, TR-069, TFTP, and a local WebGUI, making the device flexible for ISP deployments and easy to configure for end users.
The device is designed with durability and versatility in mind. With an internal power supply, the DG860A can be placed vertically or horizontally, adapting to different installation environments. It operates reliably within a wide temperature and humidity range, ensuring stable performance in various residential settings.
In short, the Arris DG860A is more than a modem – it is a complete broadband solution offering high-speed connectivity, advanced wireless, flexible routing, and secure management, making it an excellent choice for service providers and households seeking reliable all-in-one networking.
Key Features & Benefits
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DOCSIS 3.0 / Euro-DOCSIS 3.0 with 8×4 channel bonding
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4 × Gigabit Ethernet LAN ports (RJ-45)
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Integrated 2.4 GHz 802.11n wireless (2×2 MIMO, up to 300 Mbps)
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Support for IPv4 / IPv6, VLAN, QoS, firewall, NAT, advanced routing
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Multiple provisioning and configuration methods (SNMP, TR-069, WebGUI, TFTP)
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Robust design: internal power supply, vertical or horizontal mounting options
Technical Specifications
| Specification | Detail |
|---|---|
| Model / Part Number | Arris DG860A |
| DOCSIS Channels (Down / Up) | 8 downstream / 4 upstream bonded channels |
| Max Downstream Data Rate | Up to ≈ 320 Mbps |
| Max Upstream Data Rate | Up to ≈ 160 Mbps |
| LAN Interfaces | 4 × 10/100/1000Base-T Ethernet (RJ-45) |
| Wireless | 802.11n, 2×2 MIMO, 300 Mbps PHY rate, 2.4 GHz band |
| Transmit Power | ≈ 18.5 dBm (802.11b) / 17.5 dBm (802.11n) |
| Receive Sensitivity | ~ –86 dBm (802.11b), ~ –76 dBm (802.11g/n) |
| F-Connector (Coax) | External F-type 75 Ω connector |
| Power Input | 100–240 VAC, 50/60 Hz internal supply |
| Operating Temp / Humidity | 5–40 °C; 5–85% RH non-condensing |
| Storage Temp | –40 to 70 °C |
| Dimensions (H × W × D) | 8.0 × 8.2 × 2 in (≈ 20.3 × 20.8 × 5.1 cm) excluding F-connector |
| Weight | ≈ 1.8 lb (≈ 0.82 kg) |
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