G18

SURFboard® DOCSIS® 3.1 Cable Modem & Wi-Fi® 6 Router

DOCSIS 3.1 cable modem and AX1800 Wi-Fi 6 router in a single device for faster streaming, gaming, working and downloading.

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Features

DOCSIS 3.1 cable modem & Wi-Fi 6 router best for cable internet speed plans up to 1 Gbps

Next-generation upload speed optimized

Compatible with Cox, Spectrum, Xfinity and other major U.S. cable internet providers

32 downstream x 8 upstream DOCSIS 3.0 channels or 2 downstream x 2 upstream OFDM DOCSIS 3.1

Dual-concurrent AX1800 Wi-Fi. Two 1 Gigabit Ethernet Ports

Easily setup, manage and customize your modem with the SURFboard Central App

Easily setup, manage and customize your modem with the SURFboard Central App

1 Year Limited Warranty

Technical Specs

Best for Cable Internet Speed Plans Up to 1 Gbps
DOCSIS Technology DOCSIS 3.1
Gigabit Ethernet Ports Two 1 Gb Ethernet Ports
Compatibility Major US Cable Providers
Built-in Wi-Fi AX1800 Wi-Fi 6
Wi-Fi Coverage Up to 1,250 sq ft
Digital Voice Service Capability NO
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All SURFboard® modems are CableLabs® certified and designed to meet industry standards for use with U.S. Cable Internet Service Providers. In addition, all products are tested and qualified by Cox, Comcast Xfinity, and Charter Spectrum.

Compatibility may vary by model and provider; please check with your service provider to confirm support for your selected model.

Wi-Fi® Cable Modems Comparison

Wi-Fi® Cable Modems Best for Cable Internet Speed Plans Built-in Wi-Fi Compatibility DOCSIS Technology Digital Voice Service Capability Gigabit Ethernet Ports Wi-Fi Coverage
G54 Up to 10 Gbps BE18000 Wi-Fi 7 Major US Cable Providers DOCSIS 3.1 NO One 10 GB and four 1 GB Ethernet Ports Up to 5,000 sq ft
G20 Up to 1 Gbps AX3000 Wi-Fi 6 Major US Cable Providers DOCSIS 3.1 NO Two 1 Gb Ethernet Ports Up to 1,250 sq ft
G18 Up to 1 Gbps AX1800 Wi-Fi 6 Major US Cable Providers DOCSIS 3.1 NO Two 1 Gb Ethernet Ports Up to 1,250 sq ft
G36 Up to 2.5 Gbps AX3000 Wi-Fi 6 Major US Cable Providers DOCSIS 3.1 NO One 2.5 GB and four 1 GB Ethernet Ports Up to 2,500 sq ft
G34 Up to 1 Gbps AX3000 Wi-Fi 6 Major US Cable Providers DOCSIS 3.1 NO Four 1 Gb Ethernet Ports Up to 2,500 sq ft
SBG8300 Up to 1 Gbps AC2350 Wi-Fi 5 Major US Cable Providers DOCSIS 3.1 NO Four 1 Gb Ethernet Ports Up to 2,800 sq ft
SBG7600AC2 Up to 800 Mbps AC2350 Wi-Fi 5 Major US Cable Providers DOCSIS 3.0 NO Four 1 GB Ethernet Ports Up to 2,200 sq ft
SBG7400AC2 Up to 800 Mbps AC2350 Wi-Fi 5 Major US Cable Providers DOCSIS 3.0 NO Four 1 GB Ethernet Ports Up to 2,200 sq ft
SBG10 Up to 400 Mbps AC1600 Wi-Fi 5 Major US Cable Providers DOCSIS 3.0 NO Two 1 GB Ethernet Ports Up to 1,400 sq ft
Latest Technology 1726029338-66e11e1a2c274.webp

G54
SURFboard® DOCSIS® 3.1 Gigabit Modem & Wi-Fi® 7 Router

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G20
SURFboard® DOCSIS® 3.1 Cable Modem & Wi-Fi® 6 Router

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G36
SURFboard® DOCSIS® 3.1 Gigabit Modem & Wi-Fi® 6 Router

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G34
SURFboard® DOCSIS® 3.1 Gigabit Modem & Wi-Fi® 6 Router

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SBG8300
SURFboard® DOCSIS® 3.1 Gigabit Cable Modem & Wi-Fi® Router

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SBG7600AC2
SURFboard® DOCSIS® 3.0 Cable Modem & Wi-Fi® Router

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SBG7400AC2
SURFboard® DOCSIS® 3.0 Cable Modem & Wi-Fi® Router

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SBG10
SURFboard® DOCSIS® 3.0 Cable Modem & Wi-Fi® Router

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Meet our lineup.

Cable Modems

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Wi-Fi Cable Modems

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