The 122108 is a straight crimp TNC Jack with gold-plated brass contacts. This connector is made of brass with nickel-plated finish and a Delrin insulator. This TNC is a miniature, threaded weatherproof connector with a constant 50R impedance and a frequency range of 11GHz. The TNC connector is produced with standard polarity. Threaded coupling interface ensures connector with not de-couple in vibration-intense applications. This RF connector is designed for Belden 9907, Belden B7806A, LMR-195, RG-141, RG-303, RG-58 and RG-58A cable.