RJ45 Connector Dual-Pass Network Extender Ethernet RJ45 Extender Adapter Gigabit Interface Female to Female Network Connector
https://www.vogueparade.com/shopping/EN/70806/1/1005003612455926/rj45-connector-dual-pass-network-extender-ethernet-rj45-extender-adapter-gigabit-interface-female-to-female-network-connector//