GCA 5 Pack RJ45 Female to Female UTP CAT.6 Keystone Coupler, White For use with unshielded twisted pair (UTP) Cat6 cable Gold plated contacts and easy snap-in retaining clip ensure a secure and corrosion free connection Cat6 performance is in compliance with ANSI/TIA/EIA 568 B.21 standard Heavy duty Cat6 RJ45 couplers for patch panels or wall plates (face plates) with standard keystone ports