Cat3 RJ12 keystone jack is designed for superior performance. This keystone jack will work with wall plates or any standard keystone and angled multimedia wall plate or patch panel. Available in 9 colors to match housing or allow color-coded port designation in compliance with TIA-606 requirements. 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. Balances signal transmission of insertion loss and crosstalk from 1 to 100MHz.