The Molex 0734046230 is a Series 73404 SMB jack — a female socket connector with a 50 Ohm impedance, designed for use with 1.13mm coaxial cable. It mounts into a panel via a bulkhead feature, giving you a fixed RF port that stays put while the mating plug connects on the other side of the panel. Single-port configuration, so it's one signal path per connector.
At 50 Ohms it matches the characteristic impedance of standard RF transmission lines, so the signal sees a consistent impedance through the connector. The 1.13mm coaxial cable group tells you this is a small-diameter coax, typical of compact RF assemblies where the cable is thin and flexible. The bulkhead mount means the jack threads into a panel cutout and the mating plug connects from the opposite side — useful when you want the RF port accessible from outside an enclosure.