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If you are setting up cable Internet service, you probably have to use coaxial cables. There are many types of coax cables, but what should you use for Internet? This guide reveals more about what coax cables are, which is best for Internet connectivity, and how to pick the right one.

What Are Coax Cables?

Coaxial cables, abbreviated as coax cables, are thick, sturdy cables that carry signals over long distances. They consist of a core conductor (usually copper), insulation, a metal shield, and an outer jacket. This structure protects the cable from interference and helps it deliver a strong and steady signal. Coax cables are used for various purposes, including TV, radio, and Internet connections, making them a staple in most homes and tech setups.

How Coax Cables Support Internet Connectivity

Cable Internet providers often send Internet signals from their hubs to your home using coax cables. Once the signal reaches your modem through that cable, you’re connected to the web. Because coax cables play such an important role in Internet connectivity, their quality directly affects your Internet speed and reliability.

Which Coax Cable Is Best for Internet?

The best types of coax cables you should use for Internet connections are RG6 and RG59. Along with learning what these RG numbers mean, you should explore the breakdown of these most popular types below.

RG6

RG6 is the most widely recommended coax cable for Internet use. Its thicker core conductor, superior shielding, and reduced signal loss make it ideal for high-bandwidth applications. RG6 can handle modern broadband speeds without a hitch, ensuring you get the performance you pay for from your Internet service provider.

If you’re dealing with long cable runs or are concerned about interference, consider RG6 cables with quad shielding. This extra layer of protection minimizes external interference, ensuring stable performance, especially in areas with lots of competing signals.

RG59

RG6 is by far the gold standard, but you can also use RG59 for less demanding applications. This cable is thinner and more suited for lower-frequency signals, like analog video or older systems. While you might find it in older homes, it’s not the best choice for maximizing Internet speeds or maintaining signal integrity.

Tips for Buying a Coax Cable

The majority of modern cable Internet setups work best with RG6, so it’s a safe and effective choice for most users. As you shop, look for cables rated for Internet use and marked with specifications like “swept to 3 GHz,” which indicates their ability to handle high-speed broadband.

Also, pay attention to the connectors at the ends of the cable. F-type connectors are standard for Internet, but ensure they’re high quality for a tight, interference-free connection.

Finally, purchase from a reputable retailer to avoid cheap, poorly made cables that can degrade your signal or even fail over time. Spending a little more on a good-quality coax cable is always a smart choice.

By choosing the right coax cable, you ensure your connection remains strong, stable, and future-proof.