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.
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 |
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 |