A communication system includes a receptacle connector assembly including a receptacle cage and a communication connector having an inner receptacle connector and an outer receptacle connector. The communication system includes a pluggable module received in the receptacle cage to mate with the communication connector. The pluggable module includes a pluggable body defining a module cavity. The pluggable module includes a module circuit board having mating pads at a mating edge of the module circuit board plugged into the inner receptacle connector and connector pads at a mounting location remote from the mating edge. The pluggable module includes a plug connector mounted to the mounting location. The plug connector includes plug contacts extending between a plug mating end and a plug mounting end. The plug mating end is plugged into the outer receptacle connector.

A connector includes a shield. The shield includes a shell, a divider plate and anti-electromagnetic-interference elastic sheets. The shell are provided with first limit holes. Anti-electromagnetic-interference elastic sheets on the divider plate are first anti-electromagnetic-interference elastic sheets. A plurality of the first positioning sheets extend from each metal sheet of each first anti-electromagnetic-interference elastic sheet. Each first positioning sheets is guided through a respective first limit hole and abuts against a respective one of the walls of the shell. Positioning sheet Anti-electromagnetic-interference elastic sheets disposed on the walls of the shell are second anti-electromagnetic-interference elastic sheets. A second positioning sheet extends from one of the two metal sheets of each second anti-electromagnetic-interference elastic sheet. Second limit holes are disposed on the walls of the shell. Each second positioning sheet is guided through a respective second limit hole and abuts against a respective wall of the shell.

An electrical connector for connecting a plurality of conductor pairs is provided. The electrical connector has a plurality of conductor pairs. The electrical connector has a metal housing. The metal housing comprises or defines a first region and a second region. Each conductor pair of the plurality of conductor pairs extends through the first region and the second region. The first region is provided with an electrically conductive potting compound.

A connector assembly includes cages arranged as an upper cage and a lower cage in an up-down direction, a receptacle connector, a first liquid cooling tray and a second liquid cooling tray. Each cage includes a frame and a plurality of partitioning walls provided to the frame, and the frame and the plurality of partitioning walls together define a plurality of insertion space arranged transversely. The first liquid cooling tray is provided to a top portion of the upper cage and constitutes an upper wall surface of each of the plurality of insertion space of the upper cage. The second liquid cooling tray is provided between the upper cage and the lower cage, constitutes a lower wall surface of each of the plurality of insertion spaces of the upper cage, and constitutes an upper wall surface of each of the plurality of insertion space of the lower cage. A pressuring spring corresponding to each insertion space of the upper cage is provided on the upper surface of the second liquid cooling tray, and a pressuring spring corresponding to each insertion space of the lower cage is provided on the bottom plate.

An electrical connector includes a first conductive terminal, a second conductive terminal, an insulated body integrally molded on the first conductive terminal and the second conductive terminal, and a metallic shell on the insulated body. The insulated body includes a first tongue portion and a second tongue portion aligned side by side. The first conductive terminal is provided with a first contact portion. The second conductive terminal is provided with a second contact portion. The metallic shell includes a first cylinder portion provided with a first space and a second cylinder portion provided with a second space. The first cylinder portion surrounding the first tongue portion and the second cylinder portion surrounding the second tongue portion share a dividing portion for separating the first space from the second space, so that the two electrical connection ports of the electrical connector are independent and avoid mutual influence between the two electrical connection ports.

An electrical connector includes a first conductive terminal, a second conductive terminal, an insulated body integrally molded on the first conductive terminal and the second conductive terminal, and a metallic shell on the insulated body. The insulated body includes a first tongue portion and a second tongue portion aligned side by side. The first conductive terminal is provided with a first contact portion. The second conductive terminal is provided with a second contact portion. The metallic shell includes a first cylinder portion provided with a first space and a second cylinder portion provided with a second space. The first cylinder portion surrounding the first tongue portion and the second cylinder portion surrounding the second tongue portion share a dividing portion for separating the first space from the second space, so that the two electrical connection ports of the electrical connector are independent and avoid mutual influence between the two electrical connection ports.

The present disclosure provide an electrical connector module and a heat dissipation housing. The electrical connector module comprises a heat dissipation housing and a plurality of electrical connectors. The heat dissipation housing comprises a metal housing, a positioning component, a plurality of heat dissipating members, and a plurality of buckling members. The metal housing comprises a housing body, which comprises a disposing surface, an accommodating space, and a plurality of first openings. The plurality of first openings is disposed on the disposing surface and is in communicating with the accommodating space. The positioning component comprises a component body and a plurality of positioning members. The component body is disposed on the disposing surface and comprises a plurality of second openings corresponding to the plurality of first openings respectively. Two opposite side edges of each of the second openings are respectively connected with at least one of the positioning members.

An electrical connector assembly includes an electrical connector and a metal shielding shell. The electrical connector includes an insulating body and a number of conductive terminals. The insulating body includes a slot. Each conductive terminal includes an elastic abutting portion for abutting against the circuit board. The metal shielding shell includes a receiving cavity for receiving a mating connector. When the mating connector is inserted into the receiving cavity and has not yet made contact with the conductive terminals of the electrical connector, a better shielding effect can be achieved. Besides, by electrically connecting the conductive terminals and the circuit board in a mutually abutting manner, the requirement on the complexity of the circuit board manufacturing process is reduced.

A receptacle cage includes cage walls including exterior walls and an interior wall. The exterior walls form a cavity and include a top wall, a bottom wall, a first side wall, a second side wall, and a rear wall. The interior wall is received in the cavity and divides the cavity into a first module channel at a first side of the interior wall and a second module channel at a second side of the interior wall. The interior wall includes a front edge, a rear edge, an upper edge, and a lower edge. The upper edge is joined to the top wall along a majority of the upper edge. The lower edge is joined to the bottom wall along a majority of the lower edge. The rear edge is joined to the rear wall along a majority of the rear edge. The exterior walls provide external shielding for the first and second module channels. The interior wall provides shielding between the first and second module channels.

A receptacle cage includes cage walls including exterior walls and an interior wall. The exterior walls form a cavity and include a top wall, a bottom wall, a first side wall, a second side wall, and a rear wall. The interior wall is received in the cavity and divides the cavity into a first module channel at a first side of the interior wall and a second module channel at a second side of the interior wall. The interior wall includes a front edge, a rear edge, an upper edge, and a lower edge. The upper edge is joined to the top wall along a majority of the upper edge. The lower edge is joined to the bottom wall along a majority of the lower edge. The rear edge is joined to the rear wall along a majority of the rear edge. The exterior walls provide external shielding for the first and second module channels. The interior wall provides shielding between the first and second module channels.