RJ45 network bisector tap changer(8 cores). Shielded CAT6 RJ45 network tee 8P8C tee Cable Extension one minute two adapter adapter. 3 RJ45 ports, o1to 2 network cables. For example, if you want to use a laptop in two fixed rooms, use this three-way connector, connect one end to the network cable source, and connect the other end to two network cables and connect them to two rooms respectively, so you don't have to change the room without crystals.
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