In terms of materials, the TRB male connector is crafted from high-quality substances. The conductive parts are often made of corrosion-resistant metals such as brass or nickel-plated alloys. This not only enhances the electrical conductivity but also extends the lifespan of the connector in corrosive environments. The insulating materials used, like high-grade plastics or ceramics, o... https://www.rf-connector-china.com/Product/ISMA-Female-for-141-Cable-RF-Coaxial-Connector.html