Which way do I use the 2-way splitter for ethernet to router and then 2 rooms? - Quora
LINOVISION Mini Passive 2 Port POE Extender with local camera output Over Ethernet Over Cat5/6 Cable | LINOVISION US Store
DSL Phone Line Noise Filter Adapter For DSL Modem Router Fax Router W/ Splitter | eBay
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Amazon.com: RJ45 Splitter, Ethernet Splitter 1 to 2 Connector for RJ45 Cat5/Cat5e/Cat6/Cat7 Cable -2 Pack, hehuangTech Cat6 Splitter. : Electronics
Amazon.com: MVBOONE Ethernet Splitter 1 to 2 RJ45 Network Male to Female Adapter, Suitable Super Cat5-7, Cmpatible with ADSL/Hubs/TVs/Set-top Boxes/ Routers/Wireless Devices/Computers : Electronics