Expand the 4K HDMI Extender via CAT / IP Set (DS-55122) with additional receiver units (DS-55123) and distribute your HDMI signals to up to 253 screens (IP connection)Use additional receiver units (DS-55123) and your existing network infrastructure to display your video content on up to 253 screens (IP connection) Extends 4K video content to up to 120 m with a CAT 6 cable (point-to-point connection) Signal extension (unlimited distance) via the existing local network infrastructure (IP connection) Supports 4K (30Hz), 3840x2160p resolution Supports CAT 5, CAT 5e, CAT 6 and CAT 7 network cables HDMI bandwidth: 10.2 Gbit/s (max.) Supports HDCP 1.4