Startech Hdmi Over Cat5 Video Extender With ST121UTPHD2, Inputs 1 x HDMI Type A, 1 x DB-9, RS-232, 1 x 3.5 mm, IR, Inputs Receiver 1 x RJ-45, HDBaseT, 1 x 3.5 mm, IR, Resolution 3840 x 2160, 2560 x 1600, 1920 x 1200, 1080p 720p, Power Supply Input 100-240 VAC, 0.6 A Output 12 VDC, 1.24 A, Power 12 W. The StarTech ST121UTPHD2 extends HDMI up to 330 feet (100 Meters) over a single CAT5e or CAT6 cable. The extender supports Ultra HD and Full HD resolutions (4K / 1080p) with support for 3D and the accompanying 7.1 digital audio.