TE Connectivity Cat 3 Single Port Right Angle PCB Mount RJ22 Modular Jacks From TE Connectivity, a series of 4 pole RJ14 and RJ22 connectors. These Cat3 RJ14 and RJ22 modular connectors have gold plated phosphor bronze contacts and are constructed from PBT housing material. All the modular jacks are through hole, right angle mounting. Typical applications for these modular jacks would be telephones, routers servers and switches.