I used them to connect my security cameras in my closet to my TV in the living room. I accidentally bought two of these but they worked fine for a while. We've had storms that cut the power for hours and after turning it back on the camera feed to the TV (via those devices) stopped working. I did the troubleshooting by connecting the power supplies that came with the spare blocks and the spare blocks themselves, but I don't remember which one was bad (that was last summer). I think I swapped the transmit and receive devices just to be sure. Fast forward to last September when Irma arrived and when the power came back, feed stopped working again. Bottom line, these things don't take power outages. I'm pretty sure it wasn't the spatter that killed her (nothing went wrong back then). They worked decently to death, although the dark areas on the screen looked blurry. I think I would try a different brand if I decide to retune the channel. although the dark areas on the screen looked blurry. I think I would try a different brand if I decide to retune the channel. although the dark areas on the screen looked blurry. I think I would try a different brand if I decide to retune the channel.
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