The KanexPro Flexible One Output HDBaseT 4K Card with Audio and RS-232 is designed to work in the FLEX-MMX chassis and has a single RJ45 connector. The card also outputs of analog audio via a three-pin connector, allowing you to output both video and sound. The card supports up to UHD 4K, 1920 x 1080p60 as well as computer video up to 1920 x 1200 @ 60 Hz, and it conforms to HDMI, DVI 1.0, HDCP1.4, and HDCP 2.2 specifications.
The card also supports EDID (Extended Display Identification Data), which enables the computer to know what resolutions the connected display supports and adjust accordingly. It supports cable runs up to 230' in 1080p, and up to 130' for 4K, and it is RS-232 controllable.