ARRIS G18 front view highlighting compact design for fast home Wi-Fi.
ARRIS G18 rear ports with Ethernet and coax for simple modem-router setup.
ARRIS G18 Wi‑Fi coverage in the living room for whole-home streaming.
ARRIS G18 AX1800 speed test demonstrates fast downloads and uploads.
ARRIS G18 box and quick-start setup for easy installation.

ARRIS

ARRIS G18 Cable Modem Router Combo – DOCSIS 3.1, Wi‑Fi 6 AX1800, Works with Xfinity, Spectrum & Cox

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$239.92

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Check the listed compatible models and specs before you order. Questions? Email us.

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

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Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

Overview

The ARRIS G18 combines a DOCSIS 3.1 cable modem with a Wi‑Fi 6 AX1800 router in a single, compact unit. Designed for gigabit internet plans, it aims to deliver fast downloads and broad coverage for typical homes, reducing clutter and simplifying setup.

With DOCSIS 3.1, the modem component is built to handle peak traffic more smoothly while staying secure. The integrated Wi‑Fi 6 radio supports multiple devices at once, offering higher throughput and improved range versus older Wi‑Fi generations. This means more reliable streaming, gaming, and browsing across devices without frequent network slowdowns.

Upstream performance matters for video conferences and large uploads; on supported plans, upstream speeds can reach up to 100 Mbps. This can contribute to steadier calls, quicker file sharing, and smoother uploads for cloud storage or collaboration tools.

Key capabilities

  • DOCSIS 3.1 modem technology for faster, more secure connections
  • Wi‑Fi 6 AX1800 dual‑band wireless for better coverage and efficiency
  • Up to 100 Mbps upstream supports video conferencing and quick uploads
  • Service compatibility with major providers like Xfinity, Spectrum, and Cox
  • Ownership can save on monthly rental fees (provider charges vary)

Real‑world use cases illustrate how this combo device fits daily life. Families streaming 4K video across several screens, multiplayer gaming with roommates, and remote workers joining video calls can benefit from the balance of wired stability and wireless capacity offered by the G18.

What this means for your home

  • Strong Wi‑Fi coverage across common living spaces, reducing dead zones
  • Reliable wired connections for gaming consoles, desktop PCs, and smart TVs
  • Simple setup for many homes, with room to grow as devices and networks expand

Notes: check with your provider for activation steps and confirm compatibility if you have a specific service plan. Actual speeds depend on your plan, network conditions, and home layout.

FAQ

Q: Is the ARRIS G18 compatible with my internet provider?

A: Yes. It works with major cable ISPs like Xfinity, Spectrum, and Cox.

Q: What technologies does the ARRIS G18 use?

A: It blends DOCSIS 3.1 with Wi‑Fi 6 AX1800 for fast wired and wireless performance.

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