Key Digital, which announced the launch of the 4K HDBaseT/HDMI Fat Cat KD-X400ProK and KD-X600ProK extenders in May, has added another model to the series.The novelty is called KD-X400POHK.The KD-X400POHK extender supports PoE technology and provides single-cable CAT5e/6 (Tx + Rx) transmission of Ultra HD/4K video, control signals (EDID Control, Hot Plug Control, Full Buffer System, IR Sensor), and infrared connection. receiver and transmitting RS-232 signals in two directions.When using the proprietary KD-CAT6STP1X cable, 4K video at up to 60 fps can be transmitted up to 50 m and 1080p video up to 80 m. When using a third-party CAT5e/6 cable, these distances are reduced to approximately 40 and 65 m respectively.