30 cm 8-pin Double RJ45 Cable Male to 2 Female Heads With Threaded Panel Mount Ethernet LAN Network CAT5 Extension Cable - AliExpress
Amazon.com: RJ45 Splitter Connectors Adapter 1 to 2 Ethernet Splitter Coupler Double Socket HUB Interface Contact Modular Plug Connect Network LAN Internet Cat5 Cat6 Cable 2 Pack (CAN'T RUN BOTH AT THE
Amazon.com: PDEEY RJ45 Ethernet Splitter Cable Connector 1 Male to 2 Female LAN Port Support Cat7 Cat6 Internet Cable with High Speed Network : Electronics