C2gs category 6 keystone jacks are designed for superior performance that meets or exceeds industry standard category 6class e according to tiaeia 568b 21 and iso 11801 2nd edition the keystone jack will balance signal transmission of insertion loss and crosstalk from 1 to 250 mhz the jacks are designed to work in conjunction with c2gs premise plus wallplates and surface boxes or any standard keystone and angled multimedia wallplate or patch panel each keystone jack includes 110 type idc