In HF signal transmission, it is applide to: Standard Material of Conductor in CATV Coaxial Cable;50 Ohm Radio Frequency Aerial; Leaky Cable; Soft Coaxial Radio Frequency Cable; Data Cable In power transmission and LF signal transmission, it can be applide to: Twisted Pair Power Cable Control Cable Building Cotton Covered Wire Busbar & Other Conductorsln special electromagnetic wire, it can be applied to: Coils or windings in computers, mobile communication equipments, spaceflight & avigation and military industry instruments.