Norden Cat 6 Shielded Keystone Jack Tool Less 180D are shielded with a two part case giving optimum protection from electromagnetic interference from an outside source. The rear casing is clicked into place after shielded cable has been fed through the centre and terminated to the jack. These Jacks are designed to reduce the Insertion loss & alien cross talk in order to provide maximum flexibility and high performance for all 10G Ethernet applications and are available in a 180° orientation with back interconnection of Dual IDC blocks in universal pin/pair assignment.180° orientation provides perfect termination with minimum distance to the IDC. This is tested to 250 MHz range over 100m and supports T568 A&B wiring & easy installation. The jack is manufactured with an integral cable strain relief. They can be installed into a number of faceplates and unloaded shuttered modules and backward compatible with category 5e/class D system components.