Key Digital KD-X222PO Uses HDBaseT to Extend HDMI Signals

Key Digital KD-X222PO HDBaseT HDMI extender supports Ultra HD 4K signals up to 4096×2160 at 30Hz with 4:4:4 chroma 8-bit subsampling.


Key Digital, the New York-based signal management and signal distribution company, has announced its latest product: the KD-X222PO HDBaseT HDMI signal extender. The product utilizes the HDBaseT protocol to transmit a variety of A/V signals over a single Cat-5e/Cat-6 cable with full automatic adustment of feedback, equalization and amplification depending on the length of cable used to make connections. 

According to the company, the KD-X222PO features power from the transmission (Tx) to receiver (Rx) via Power over HDBaseT to eliminate the need for power at the receiver end. 

Highlighting some of the A/V formats the KD-X222PO supports, Key Digital says the unit is compatible with 4096×2160 and 3840×2160 at 24/25/30Hz refresh rates at 4:4:4 8-bit chroma subsampling, as well as 60Hz Ultra HD at 4:2:0 8-bit chroma subsampling, and 1920 x 1080. 

Some of the other formats and technologies the HDBaseT HDMI extender supports include 1920×1200, Ultra HD Deep Color at 30Hz 4:2:2 12-bit, high-dynamic range (HDR) and 3D video content. 

Key Digital KD-X222PO Transmits Long Range 4K HDMI Signals 

The extender is able to transmit 30Hz Ultra HD 4K content as far as 150 feet using Key Digital KD-CAT6ARP1X cabling, and 125 feet when using CAT5e/6UTP/STP cabling. 

Key Digital also emphasizes the KD-X222PO is fully compliant with HDCP 2.2 copyright protection, and it is backwards compatible with older media formats and protection schemes. 

Offering a choice of control formats, Key Digital says the product incorporates an IR sensor that's powered via 5-volt port on the receiver unit's IR, and its in-port collects line-of-sight IR from remotes without needing an external IR connectiong block. The KD-X222PO also includes RS-232 for two-way communications via the HDMI extender's phoenix connector. 

Ensuring HDMI signal integrity, the KD-X222PO employs an internal EDID library with 15 default configurations, as well as Hot Plug Detection Control that enables integrators that ability to choose to use active signal voltage, and a full buffer system that manages TMDS reclocking and signal regeneration that includes HDCP authentication and EDID handshake. 

Supporting audio, the KD-X222PO HDBaseT HDMI Extender transmits the Dolby TrueHD, Dolby Digital Plus, Dolby Atmos and DTS-HD Master Audio surround sound formats. 

In addition, the HDBaseT HDMI extender integrates into control systems from companies such as AMX, Compass Control, Crestron, RTI, Savant and URC. 


About the Author

Robert Archer
Robert Archer:

Bob is an audio enthusiast who has written about consumer electronics for various publications within Massachusetts before joining the staff of CE Pro in 2000. Bob is THX Level I certified, and he's also taken classes from the Imaging Science Foundation (ISF) and Home Acoustics Alliance (HAA). Bob has also served as the technology editor for CE Pro's sister publication Commercial Integrator. In his personal time beyond his family, he's studied guitar and music theory at Sarrin Music Studios in Wakefield, Mass., and he also studies Kyokushin karate at 5 Dragons and Brazilian jiu-jitsu at Binda Brazilian Jiu Jitsu.




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