Amazon.com: KOROMU RJ45 Ethernet Splitter Cable,RJ45 1 Male to 3 x Female LAN Ethernet Splitter Adapter Cable Suitable Super Cat5, Cat5e, Cat6, Cat7 LAN Ethernet Socket Connector Adapter : Electronics
RJ45 Connector Ethernet Cable Adapter 1 Input 2 Output Lan Cable Extender Splitter Internet Cable Connection Female to Female - AliExpress