CUI Devices Modular Connectors feature RJ10, RJ11, RJ12, RJ13, and RJ45 types. Available in single port, 1 x 2, 2 x 4, 2 x 6, and 2 x 8 port options, these RJ jacks are an easy fit for many applications, including common uses in phone systems, data networks, and low-speed serial connections. CUI Devices Modular Connectors are offered with a variety of position, contact, and mounting options. Additional features include shielding, integrated magnetics, LED indicators, high-temperature plastic, and more, depending on the model.