One pair as a full functional module, no need of setting. Cat 5e or Cat 6 cable can substitute HDMI cable to achieve long distance transmission. No need for extra power supply. Plug and play.
HDMI Extender,HDMI TO RJ 45 Up to 100ft HDMI Ethernet Network Extender Adapter Over RJ45 Cat5e Cat6 Cable (30M Sender + Receiver, 1 Port RJ45)
by NeweggConsumer Electronics
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