What Is RG58 Coaxial Cable? Your Friendly Guide to the 50-Ohm Coax Cable for Antennas and TVs
When setting up an antenna or radio system, one of the first things you’ll hear about is RG58 coaxial cable . But what exactly is it, and why do so many installers and radio enthusiasts still trust it in 2025? Let’s break it down simply — so you can choose the right coax cable for your antenna or TV setup with confidence. What Is a Coaxial Cable, Anyway? A coaxial cable (or simply coax cable ) is a special type of electrical cable designed to carry radio frequency (RF) signals with minimal interference. It has multiple layers: A central copper conductor that carries the signal An insulating layer A metal shield (to block external noise) And an outer jacket for protection This layered structure keeps your signal strong and clean — perfect for radios, antennas, and even TV systems. So, What Makes RG58 Coaxial Cable Special? RG58 is one of the most widely used types of coaxial cable. It’s known for being 50 ohms , which makes it ideal for applications involving...