The EXTENDER for HDMI 1.3 extends the length of any HDMI cable by regenerating the HDMI signal before it sends the source (outputs) to the HDMI monitor or projector. The EXTENDER will clear out the digital noise (sparkles) in your picture. The sink (input) of the HDMI EXTENDER is connector with a long HDMI (male to male) cable from the HDMI device like DVD player or Satellite set top box with a HDMI source (output) port. The EXTENDER source (output) is connector to a second HDMI (male to male) cable to from the source (output) to any HDMI display or projector with a HDMI connector. The box is placed near the display to remover any noise that has been generated by a long HDMI cable. The EXTENDER unit can be daisy chain two cables together and create a longer HDMI extension.