NECABLES 2Pack CAT3 Telephone Keystone Jack Phone Keystone Coupler RJ11 6P4C Female to Female White

2 pack CAT 3 telephone keystone coupler is designed to join two telephone cables at your home or office RJ11 6P4C interface, universally compatible with all RJ11 devices such as landline phones, fax or answering machines etc Standard keystone size, fits most blank wall plates, patch panels or surface mount boxes in the market Category 3 standards, 50 micron gold plated pins, provides stable connection and fast transmission Easy to install and no static or distortion of voices