HDMI SUPER BOOSTER PLUS EXT-HDMI-141SBP. The new Gefen HDMI Super Booster Plus allows you to extend the reach of copper HDMI cables up to 200 feet from the video source- while fully supporting High-Definition display protocols to insure maximum compatibility with the way that high-definition signals are encoded today and in the future. With the new Plus model- improved DDC signal robustness is added- giving robustness to electrical signals that negotiate delicate resolution and frequency settings- for even greater precision than ever before.