The military has always been at the forefront of developing communications cable for defense needs. Like much of our technology we take for granted, coaxial cable started out as a US military project. First, let’s talk about history Where Did It All Begin? A Short History Lesson. Interestingly, the amount of shielding has nothing to do with what kind of signal you are passing through the coax cable. This article focuses on the difference between the shielding types. ![]() The two most often seen variations are dual shield (DS) and quad shield(QS). Additional variations come in outer jacket types and the amount of shielding the cable has. Usually this is followed by a number like 58, 59, 6, 11 and more. In all cases, you just worked with coaxial cable. In fact, you have used it at some point or another, even if you did not know what it was called! Have you ever screwed in a cable to a threaded connector sticking out of a wall plate or on the back of a television? Perhaps that threaded connector you screwed the cable onto was at the back of a cable modem. Written by Don Schultz, trueCABLE Network Expert, BICSI INST1, INSTC, Fluke Networks CCTTĬoaxial cable has been with us for a long time. ![]() The Difference Between Dual Shield vs Quad Shield Coaxial Cable
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