extends overall length of HDMI cable. No noticeable signal loss, have to secure both cables as there is no real restraint holding each into this adapter, Used it for two 25 foot cables under the living room floor.
I had ordered this so that I could hook my tablet up to my TV and use my TV for a bigger screen. The HDMI cord worked perfect. The bad thing is the adapter was broken and did not work so I still can't do anything with it
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