I had several 1080p HDMI to Ethernet adapters to stream video from my NVR security camera (in the network closet in the basement) upstairs to my TV in the send living room. When the station suddenly died, I bought these blocks to replace the dead ones. I can see my 4K cameras much more clearly. The quality is amazing and there doesn't seem to be any lag or cracking. Also, if I need to pull the video, I can plug the USB dongle right here and don't have to go down to the basement. I may have to buy another one to play with. Very happy with this product.
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