iMBAPrice (Pack of 10) Cat5e Rj45 Female to Female Keystone Inline Coupler - White For use with Cat.5E Ethernet cables / Backward compatible with lower rated category components Connectors: One RJ45 female to One RJ45 female RJ45 feed-thru coupler for voice / data applications Compatible with most keystone wallplates and patch panels iMBAPrice life time warranty