RJ45 Semi-Duplex Spliter Coupler Adapter 1 in 2 out $8.85 -This RJ45 splitter connector adapter -8 wire RJ45 T adapter, -parallel wiring, -This is semi-duplex spliter for special wiring usages, 2 split devices can not work simultaneously, if you wish to let 2 active devices like computers to share 1 ethenet drop, you should use powered active ethenet switch -This splitter can also be used as RJ45 coupler to join 2 network cables together - We specialize in Electronics, Computer, Cell Phone, Camera, Professional Signal Conversion Devices, Adapter, Cables and other Accessories Pickup Location: "Cable Link" Tel: 613-680-6188