This is for driving two POE devices off one cable. If you have an extremely long run for one camera and you needed to add another, this would be a great solution. Plugged into two POE+ ports at the switch which uses one CAT6 cable and at the far end it splits to two POE ports that you have a splitter for Ethernet and 12-Volt to run a powered mic and camera and the other is just running another POE camera.
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