The Tripp Lite B122-000-4K6 is a compact, in-line HDMI signal booster designed to extend HDMI cable runs up to 50 feet while maintaining a 4K @ 60Hz resolution. This device acts as a repeater, cleaning up and amplifying the HDMI signal to ensure optimal performance over longer distances. It features a female-to-female connector configuration, making it easy to insert between two HDMI cables without requiring additional power.