The Johnson / Cinch Connectivity Solutions part 142-0203-011 is a Conn SMA PL (plug) designed for cable mount applications. It has a frequency range from 0Hz to 12.4GHz and is built with a 50Ohm impedance. The connector features a durable construction with gold plating over a nickel finish, providing excellent signal transmission and corrosion resistance. It is the perfect choice for various RF and telecommunications applications where high performance and reliability are required.