These Ethernet modules snap into keystone gangs and feature connectors for Cat3 cables, Cat5e cables, and Cat6/Cat6a cables. Other modules are available for multimedia and voice grade applications. Shielded keystone jacks and other connectivity products help protect data from EMI (electromagnetic interference), as well as UTP (Unshielded Twisted Pair) RJ45 jacks. You may also want to check out our selection of fiber optic connectors.