Techy-tech RJ45 Coupler in-Line Coupler Network LAN Cable Joiner Extender Adapter Ethernet Cable Join Extension Converter Female to Female Ethernet CAT5 CAT5e RJ45 8P8C Connector(Pack of 2) Lan Adapter  (1200 Mbps)

With The RJ-45 Coupler Connector Can Make a Network Extension Cord Out of Two Cat5E Network Patch Cables. Both Female RJ45 Connectors Accept One RJ-45 Plug, Allows To Plug Ethernet Cable into Both Sides Future-proof Network Ethernet Lan RJ45 CAT5 5E Extender Plug; Allows You to Plug Ethernet Cables into Both Sides RJ45 Female to Female Straight through Connector,great for extending ethernet connection by connecting two Cat 5 or Cat 5e make one longer cableCat5 RJ45 couplers extend the connection between two Ethernet patch cables