Rj45 Network 1 To 2 Port Ethernet Adapter Splitter, Rj45 1 Male To 2 Female Lan Ethernet Splitter Adapter Cable Suitable Super - Data Cables - AliExpress
Amazon.com: Ethernet Wall Plate 2 Port, ESYLink Cat6 RJ45 Ethernet Cable Wall Plate Female to Female - White : Electronics
Amazon.com: Cable Matters 2-Pack 2-Port Ethernet Wall Plate, Cat6 Wall Plate / Cat5 Ethernet Wall Outlet in White with White Ethernet Keystone Jack : Electronics
011236 2-Port USB Gigabit Switch – CyberData Corporation
Industrial 8+2(SFP) Port Gigabit Switch - Ethernet Switches | StarTech.com
Serial Ethernet Converter (RS232, RS485, RS422) Industrial Panel Mount, 2 Ports - Pro [USC-HF5122] - $149.00 : Serial Data Communication by U.S. Converters LLC