. https://www.dignited.com/58676/fiber-optic-vs-copper-cables/

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FIBER OPTIC VS COPPER CABLES: HOW DO THEY COMPARE?
Fiber Optic and Copper are pretty much the only options when it comes to networking communications cables. Today we focus on what makes them different. Let’s begin with the key characteristics of the old reliable copper phone lines — the same basic infrastructure that we’ve been using since the beginning of the 20th-century. Copper is highly conductive. This is what makes it so great for carrying the power to your home. Copper wires use the movement of electrons to carry signals by modulating a waveform at one end then demodulating it at the other end. And converting the patterns in the waveform into an analog or digital signal. READ MORE