The 444K-985-USB is a flexible and cost effective KVM extender for HDMI, USB 2.0, bi-directional IR, full duplex RS232  together with Power Over Cable (POC). Consisting of a transmitter/receiver pair, both units are compact and come with mounting brackets. By incorporating the full HDBaseT2 technology 4K UHD HDMI signals can be transmitted up to 100m.

Key Features

  • KVM USB 2.0 extension
  • HDMI 2.0 4K@60Hz
  • 4:4:4, 18G, HDR10, Dolby Vision
  • HDCP 2.2/1.4 compliant
  • Looping HDMI input
  • EDID copy local/remote

The 444K-985-USB is a HDBaseT KVM extender pair capable of distributing HDMI, HDR10 signals up to 4K UHD resolutions to 100m of Cat 5e-6 cable. By implementing the complete 5-Play of the HDBaseT2 specification the extender pairs also provides the pass through of wide band bi-directional InfraRed signals, full duplex RS232 up to 115Kbaud and stereo audio. USB 2.0 extension is achieved by harnessing the internal 100BaseT Ethernet link within the HDBaseT protocol.

A looping HDMI input together with a USB hub on the transmitter 4K-TX985-USB unit allow for a local PC to be connected. EDID can be read locally or from the remote display through the Cat 6A cable selectable. An extended option available on the HDBaseT chip set allows for 150m metre transmission for HDMI resolutions up to 1080p.

Each unit is powered via a 24V PSU which can also power the other remote device through the same cable


  • USB 2.0 extension
  • HDMI 2.0 4K@60Hz
  • 4:4:4, 18G, HDR10, Dolby Vision
  • HDCP 2.2/1.4 compliant
  • HDBaseT 2 technology
  • Looping HDMI input
  • EDID copy local/remote
  • 100m CAT 6/6A STP/FTP
  • 150m Long Reach mode option
  • HDMI resolutions 4K, 2K &1080p
  • Full duplex RS232 pass through
  • Bi-directional IR pass through
  • CEC compliant
  • Local USB connection for K/M
  • Dual USB port on receiver
  • Integral mounting brackets
  • Secure DC connection
  • POC (remote powering TX or RX)
  • Slim profile 25mm



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Datasheet PDF File 329 KB