networking - Will an Ethernet splitter work? - Super User

I have a room with only one Ethernet cable going there, but I would like to connect two devices on it. Is an Ethernet splitter suitable for that? I am talking about something like this: In theory it

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networking - Will an Ethernet splitter work? - Super User

Do Ethernet Splitters Reduce Speed?

CableGeeker Ethernet Splitter High Speed, 100Mbps Ethernet Splitter 1 to 2 [2 Devices Simultaneous Networking], RJ45 Internet Splitter with USB Power Cable, Network LAN Splitter for Cat 5/6/7/8 Cable : Electronics

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Do ethernet splitter negatively affect internet speed?

Does an Ethernet splitter slow down speed?

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networking - Will an Ethernet splitter work? - Super User