These HDMI boosters or as some call them HDMI extenders will give you the assurance that you will not loose any detail in your high definition picture, even if your DVD, satellite and/or cable receiver is 100 feet away, or so. These HDMI boosters are connected at end of an HDMI cable or used to chain two HDMI cables together and create a longer HDMI extension. The work by regenerating the high definition video and digital audio it receives from the the source device & transmits it to the 2nd cable at the extended display.
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