A board-to-board radio frequency coaxial connector includes an adapter, a clamping socket including a first outer conductor, a first inner conductor, and a first insulator, and a fixed socket including a second outer conductor, a second inner conductor, and a second insulator. The clamping socket and the fixed socket are respectively arranged at two ends of the adaptor. The adapter includes a third outer conductor, a third inner conductor, and two third insulators. The two third insulators are respectively arranged at two ends of the third inner conductors and sleeved on an outside of the third inner conductor. Each of the two third insulators includes a body portion and an auxiliary portion. The body portion includes a second groove recessed inwardly from its outer circumferential surface. Two ends of the third outer conductor are respectively electrically connected to the first and second outer conductors.

An electrical connector that has a conductive shell supporting at least one signal contact therein and that has a front end for mating with a mating connector and a back end opposite the front end for electrically connecting to a coaxial cable. A ground connection is located inside of the conductive shell. A coupling member is rotatably coupled to the conductive shell and has an engagement feature for mechanically engaging a support panel associated with the mating connector. A sealing member is disposed on the conductive shell that is configured to provide an environmental seal between the conductive shell and the support panel when the conductive shell is mated with the mating connector.

An electrical connector that has a conductive shell supporting at least one signal contact therein and that has a front end for mating with a mating connector and a back end opposite the front end for electrically connecting to a coaxial cable. A ground connection is located inside of the conductive shell. A coupling member is rotatably coupled to the conductive shell and has an engagement feature for mechanically engaging a support panel associated with the mating connector. A sealing member is disposed on the conductive shell that is configured to provide an environmental seal between the conductive shell and the support panel when the conductive shell is mated with the mating connector.

An electrical connector for receiving a central conductor of a coaxial cable adapter includes first and second body portions, a first electrical contact, and a coupling element. The first body portion has a first tubular portion disposed about a first axis and defines a first bore. The second body portion has a second tubular portion disposed about a second axis, which intersects the first axis, and defines a second bore. The second bore is configured to receive a coaxial adapter. The first electrical contact is secured within the first bore and has a first end within the first body portion and a second end outside of the first bore, and the first end of the first electrical contact has an opening in a side wall thereof. The coupling element is disposed in the opening in the side wall of the first electrical contact and extends in a direction of the second axis. The coupling element has a tubular wall and includes a plurality of spring members extending inward from the tubular wall such that the coupling element is configured to securely receive a central conductor of the adapter. The coupling element is configured to have a first diameter defined by the spring members in a rest position and a second diameter, greater than the first diameter, defined by an inner surface of the tubular wall of the coupling element when the spring member are urged outwardly by the central conductor of the adapter.

A sleeve for a coaxial cable connector has, in one embodiment, ends, an exterior surface, and an interior surface. The interior surface is configured to mate with a coupler of the coaxial cable connector.

A sleeve for a coaxial cable connector has, in one embodiment, ends, an exterior surface, and an interior surface. The interior surface is configured to mate with a coupler of the coaxial cable connector.

An adapter for coupling a coaxial interface to a power conductor and method for interconnection may be provided as a body with a conductor junction dimensioned to couple with the power conductor and a mating surface dimensioned to couple with the coaxial interface. The conductor junction, an outer conductor contacting portion of the mating surface and an inner conductor contacting portion of the mating surface are electrically coupled together by the body.

A connector for a coaxial cable is configured to be mounted to a first threaded surface of a connecting head of an electronic device. The connector includes: a nut configured to be mounted to the first threaded surface; an inner sleeve coaxially arranged with the nut, wherein the inner sleeve has a second threaded surface configured to be mounted to the coaxial cable; and an outer sleeve coaxially arranged with the nut and sleeved over the inner sleeve, wherein the inner sleeve has a first rear-extension portion in an inner space in the outer sleeve, wherein an annular space is between the first rear-extension portion and the outer sleeve and has an axial length smaller than a distance between the inner sleeve and a rear end of the inner space.

The invention is characterized in that a HF coaxial cable is designed as a conventional corrugated sheath cable comprising a cable outer conductor, in the form of a metal corrugated tube, having a line impedance Z.sub.k and a minimum bending radius r.sub.k,min specified by the manufacturer as a characteristic feature of the coaxial cable; in corrugated sheath cable, directly or indirectly following the straight plug connector, is bent to have a bending radius r.sub.α, where 0.2 r.sub.k,min≦r.sub.α≦0.9 r.sub.k,min, which alters the line impedance Z.sub.k by a maximum of 1 ohm. The bend with the bending radius r.sub.α is produced by cold forming corrugated sheath cable with the introduction of bending forces and tensile forces directed along said corrugated sheath cable.

An RF connector is provided. The connector includes a first socket member. The first socket member includes a conductive sleeve comprising a top portion, a bottom portion, and a plurality of springs connecting the top portion and the bottom portion. The first socket member also includes a base inside the conductive sleeve comprising a first matching hole configured to match to a first conductive pin of a first plug member. The connector also includes a second socket member. The second socket member includes a second matching hole configured to match to a second conductive pin of a second plug member, and a conductive body having outer threads configured to match to inner threads of the second plug member. The connector further includes a middle portion connected between the first socket member and the second socket member, the middle portion extending radically outwardly from a periphery of the middle portion.