HDMI HDBaseT Extender Kit Provides 18-Gb/s Support

Key Digital introduces the KD-X444L extender kit for installations requiring a long range for 18-Gb/s video signal extension. The extender set marks the company’s first offering with full bandwidth support for HDMI 2.0A video specifications. It extends UHD/4K 18-Gb/s digital video with audio formats to Dolby/DTS HD and IR/RS-232 control signals up to 70 meters. 1080p resolution is extended up to 100 meters (328 ft.) with CAT6 cabling.


The KD-X444L features HDBaseT via Single CAT5e/6 UTP/STP extension with fully automatic adjustment of feedback, equalization, and amplification depending on cabling length. The extender set offers 4K support 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4 with signals up to 18Gbps bandwidth, and offers flexible power over HDBaseT with only one power connection needed with the Tx providing power to the Rx, or the Rx powering the Tx.

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The KD-X444L has compliancy up to HDCP 2.2 and backward compliant and features HDR10, High Dynamic Range, for more life-like images through a greater range of luminance levels. Key Digital’s Full Buffer System™ manages TMDS re-clocking / signal re-generation, HDCP authentication with source & display, EDID Control handshake, and Hot Plug Detection control. Integrators have the choice of handshake delivered to the connected video source. Key Digital boasts an internal library with 15 EDID handshakes including an update to 4K handshakes which includes HDR Header information. Additionally, the native EDID data from the connected Output/Display device may be provided to the video source. The KD-X444L extends RS-232 bi-directional control to/from Tx and Rx unit via Phoenix connector.  For more information, checkout the KD-X444L datasheet.


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