Rj45 1 Male To 3 Female Or Three Female Ethernet Splitter Socket Port Lan Ethernet Network Splitter Adapter Cable - Pc Hardware Cables & Adapters - AliExpress
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