Key Digital 4K/18G HDR HDMI over Single Cat 5e/6 Cable Extender Kit (115')

Key Digital
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KD-EX18G is an HDMI extender Tx + Rx set with 4K/UHD resolution and bandwidth support up to 18Gbps and HDCP2.2 compliancy. In addition to HDMI video and audio signals, KD-EX18G carries IR for controlling remotely located equipment. KD-EX18G features 4K to 1080p down convert, EDID handshake control, and hot plug detection integration tools, as well as an HDMI pass-thru port for connecting to AV Surround Receivers or local monitors.




  • UHDoTP via Single CAT5e/6 UTP/STP Extension: With fully automatic adjustment of feedback, equalization, and amplification depending on cabling length

  • 4K Resolution Support: 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4 (signals up to 18Gbps bandwidth)

  • 4K to 1080p Down Convert: Optional resolution conversion applied at UHDoTP output provides added integration options in retrofit installations as well as added distance performance

  • 10G Pass-thru: Mode enables uncompressed 10.2Gbps signal extension

  • Flexible Power over CAT (PoC): Only one power connection needed. Tx may power Rx, or Rx may power Tx

  • Low Profile: Slim chassis design

  • Signal Extension: 4K/UHD up to 35m (115ft) using CAT5e/6, up to 40m (131ft) using CAT6A STP. 1080p up to 50m (164ft) using CAT5e/6, up to 60m (197ft) using CAT6A STP

  • IR Sensor: Sensor powering via +5V on IR In port collects line-of-sight IR from remote(s) without external IR connecting block

  • HDMI Pass-Through: Enables connection to local monitor or AV Receiver

  • Surround Audio Support: HDMI pass-thru port supports Dolby®, Dolby® TrueHD, DTS™ and DTS-HD™ (formats up to 7.1), UHDoTP output supports Dolby®, DTS™ (formats up to 5.1/6.1


  • HDCP 2.2: Compliancy up to HDCP 2.2 and backward compliant

  • Deep Color Support: Up to UHD/4K 30Hz 4:4:4/12 bits or 60Hz 4:2:2/8 bit

  • EDID Control: Internal library with 15 EDID handshakes including 4K with HDR in addition to native EDID data from Output/Display device connected to Rx

  • Hot Plug Detection Control: Enables integrator to choose if active signal voltage is forced to connected display/output device

  • Full Buffer System™: Manages TMDS re-clocking / signal re-generation, HDCP authentication with source & display, EDID handshake control, and Hot Plug Detection control

  • Visually Lossless Compression: 18G enabling technology applied to all video formats exceeding 10.2Gbps to accommodate UHDoTP transmission channel

  • HDR10 (High Dynamic Range): More life-like images through a greater range of luminance levels

  • Up/Down IR: Two channels of IR enable control to/from devices or control system

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Warranty Information

1 Year Parts & Labor Manufacture Warranty
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