Belden designs and manufactures cable, connectivity, and networking products that make possible the transmission of data, sound, and video signals. Offerings include copper cables (shielded/unshielded twisted, coaxial, and stranded) and fiber optic and composite cables (multiconductor, coaxial, and fiber optic). It also makes fiber and copper connectors and networking products such as Ethernet switches. Products are used in industrial (robotics), enterprise, broadcast, and consumer electronics applications. The majority of customers are from outside of the US. Core customer Anixter, a distributor, accounts for about 14% of sales; Belden also sells to OEMs.