“StarTech.com HDMI over CAT6 Extender – 4K 60Hz – 330ft / 100m – IR Support – HDMI Balun – 4K Video over CAT6 (ST121HD20L) – Maintains 4K picture quality up to 330ft away over CAT6 cabling – Supports all known HDMI audio formats – Extend your 4K HDMI signal in small or large environments – Optimize the placement of your demo stations at tradeshows – Compatible w/ HDCP 2.2 60 IR SUP” has been added to your cart. View cart