Arris CM820A DOCSIS 3.0 Cable Modem – Fast & Reliable Internet with IPv6
Manufacturer Part Number: CM820A
Brand: Arris
Condition: Refurbished
90-Day Warranty
The ARRIS Touchstone CM820 DOCSIS 3.0 Cable Modem is a high-performance solution designed to deliver ultra-fast internet connectivity to homes and small businesses. With its 8×4 bonded channel configuration, the CM820 provides exceptional data speeds, making it ideal for demanding users who require fast, reliable connections for streaming, gaming, and productivity applications. Whether for residential or commercial environments, this modem delivers the speeds and reliability needed to compete with fiber and VDSL connections. It is backward compatible with earlier DOCSIS versions, ensuring flexibility and wide compatibility with various networks.
- DOCSIS Version: DOCSIS 3.0, backward compatible with DOCSIS 2.0, 1.1, and 1.0
- Channel Bonding:
- Downstream: Up to 8 bonded channels
- Upstream: Up to 4 bonded channels
- Downstream Data Rate:
- Up to 343 Mbps (DOCSIS mode)
- Up to 444 Mbps (EuroDOCSIS mode)
- Upstream Data Rate: Up to 122 Mbps
- RF Downstream:
- Frequency Range: 108-1002 MHz
- Modulation: 64 or 256 QAM
- Tuner Bandwidth: Dual 96 MHz tuners
- RF Upstream:
- Frequency Range: 5-42 MHz (A model), 5-65 MHz (B, C, S models)
- Modulation: QPSK, 8QAM, 16QAM, 32QAM, 64QAM, 128QAM (S-CDMA only)
- Data Interfaces:
- 1 x 10/100/1000 Base-T Ethernet (RJ-45)
- Dimensions:
- 6.2 x 1.7 x 5.7 inches (16.3 x 5.3 x 14.5 cm)
- Weight: 0.81 lbs (0.37 kg)
- Power Supply: Integrated Universal Power Supply (115-240 VAC, 50/60 Hz)
- Operating Temperature: 32 to 104 °F (0 to 40 °C)
- Additional Features:
- MoCA® Immunity Filter Embedded
- Multi-colored diagnostic LEDs for real-time operational status
- No WiFi – Requires separate wireless router for WiFi connectivity
This modem is an excellent choice for users looking to maximize their high-speed internet access without the need for built-in wireless capabilities. It offers reliable wired connections with high data transfer rates suitable for a wide range of internet applications.
Will it Work with My Internet Company?
The Arris modem is compatible with Comcast Xfinity, Spectrum, Charter, Time Warner Cable, Mediacom, and Suddenlink services in most regions. However, it’s essential to confirm compatibility with your specific service plan and area by contacting your service provider’s customer service before buying, as some service plan speeds may not be supported.
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