Imagenes tomadas de: http://www.adslzone.net/2015/09/08/pagarias-mas-por-una-conexion-de-fibra-simetrica/ http://www.tektel.com/b1/faq/ethernet-cable-faqs/utp-vs-stp-cable-image/ http://www.elotrolado.net/hilo_duda-cable-coaxial-audio_2057841