TE Connectivity Cat 5 Multiple Port PCB Mount Modular RJ45 Jacks From TE Connectivity a range of 2 port 8 way RJ45 modular jacks. These shielded Cat 5 connectors have gold plated phosphor bronze contacts and are made from a high temperature black nylon housing material. The connectors feature a PCB grounding option with 3.56 mm PCB tail length. The RJ45 modular jacks would be commonly found in computer networking and telephone applications.