ModemGuides · The Blog · Tagged: Cable Modems
Cable Modems
Best DOCSIS 3.1 Modems (2026): Top Picks by Plan & ISPThe best DOCSIS 3.1 modems of 2026, ranked by speed tier and ISP. See which modem fits your plan, which ones support faster uploads, and why 3.1 is...
Modem & Router Lights Meaning: What Every LED Color MeansWhat does that blinking light on your modem or router mean? This guide covers every LED color and pattern across Xfinity, Spectrum, AT&T, and CenturyLink gateways, with step-by-step...
Best Modems for Xfinity 2026: Next Gen Upload PicksXfinity keeps two device lists, and the second one decides whether you get mid-split upload speeds. Here are the modems that qualify at each plan level, why the...
ARRIS DG3450: DOCSIS 3.1 Modem Router Combo Specs and CompatibilityThe ARRIS DG3450 replaces a rented Spectrum gateway with one box you own. Here is what it does, which providers support it, and what a renewed unit costs.