The Johnson / Cinch Connectivity Solutions part 142-0701-621 is a high-quality SMA connector designed for seamless audio and video signal transmission. With a frequency range of 0Hz to 18GHz and a 50Ohm impedance, this connector ensures optimal performance and minimal signal loss. Its solder cup termination and ST flange mount make it easy to install and secure, while the gold plating over nickel ensures excellent conductivity and corrosion resistance. Perfect for professional audio and video applications, this SMA connector is a reliable choice for any project.