The 50 ohm braided coaxial cable has excellent electrical characteristics, the braided structure is softer and the construction is very convenient. It is commonly used in ground mobile communication and radio communication antenna feeders, ground base station antenna jumpers, machine room feeders and antenna connecting lines, military data information transmission lines, ultra-low frequency, am and FM radio broadcasting systems, ground microwave communication systems, aviation and navigation Rada systems and strategies and other portable communication systems.