Cables To Go RJ45 180-Degree, Keystone Jack, Green Cables To Go"s Category 5e Keystone Jacks are designed for superior performance that meets or exceeds industry standard TIA/EIA 568-A-5 requirements. The keystone jack will balance signal transmission of insertion loss and cross talk from 1 to 100 MHz. Jacks are available in 9 colors to match housing or allow color- coded designation port in compliance with TIA-606 requirements. The jacks are designed to work in conjunction with the Cables To Go wallplates and surface boxes or any standard keystone and angled multimedia wallplate or patch panel. Each keystone jack includes 110-type IDC straight-back termination with strain relief caps, and comes standard with 50µ inch gold plating on the jack contacts.