Very high performance coaxial cables are manufactured to strict standards and these have quality insulated coaxial cables. The use of great purity conductors like oxygen free copper makes them have amazing conductivity and less resistance. The signals interference and the insulation materials used have minimal loss as well. They are also effective when it comes to external electromagnetic fields. These cables hinder signal integrity during professional audio and video systems as well as RF systems and they are crucial when integrity is of great importance.