StarTech ST121HDBT20L HDMI over Cat6 Extender, 4K 60 Hz | AV Accessory

Move the display, not the source. StarTech ST121HDBT20L extends HDMI over Cat6 cabling to a remote location, giving integrators a cleaner way to place screens beyond the limits of a direct HDMI run. With support for 4K at 60 Hz, it is built for environments where image quality matters and cable distance cannot compromise the experience. This kind of extender earns its place in conference rooms, classrooms, retail signage, and control spaces where source devices are best kept in a rack, closet, or secured area. By using Cat6 infrastructure, it fits neatly into structured cabling designs and helps avoid the fragility and distance limits of long HDMI cables. The result is a more controlled installation with fewer points of failure at the display edge. For enterprise buyers, the value is practical: maintain signal quality, simplify remote display placement, and reduce the need for expensive source relocation. For AV teams, it provides a straightforward path to long-distance HDMI distribution without sacrificing resolution.