Amazon.com: Ethernet Splitter Cable RJ45 Network Adapter, Onepeace 1 Male to 2 Female LAN Internet Cable Adapter, Suitable Super Cat5, Cat5e, Cat6, Cat7 : Electronics
Rj45 Ethernet Y Splitter Adapter Cable 1 To 2 Port Switch Adapter Cord for Cat 5/Cat 6 Lan Ethernet - Walmart.com