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KD-4KWHCEX is a wireless HDMI extender kit with support for resolutions up to 4K.

The innovative technology behind KD-4KWHCEX reliably extends HDMI signals with the latest standards - up to 3840x2160 resolution, HDR, 4:4:4 chroma, and deep color – for an effortless solution ideal for temporary and permanent installation in presentation spaces, outdoor AV setups, and all environments where running a new wire is not possible.

KD-4KWHCEX features an HDMI pass-through port for connecting a local monitor or sending audio into an AV receiver. Additionally, the included IR sensor and emitter allow for control of the connected HDMI source devices such as cable boxes or streamers.



  • Wireless Extension: Great for temporary setups or installations where new wiring is not possible.

  • 4K Resolution Support: Up to 3840x2160 24/25/30/60hz at 4:4:4 (signals up to 18Gbps bandwidth) and backward compatible. 

  • Signal Distance: 100ft / 30m extension with optimal quality. Up to 164ft / 50m capable in ideal environments.

  • 5G WiFi Technology: Transmits through walls and ceilings with minimal range loss and maximum resistance to wireless interference.

  • IR Control Extension: Sensor at Rx unit collects IR signals from device remote to control source equipment at Tx unit with IR emitter.

  • HDMI Pass-Through: Ideal for local monitor or connection into AV receivers

  • Surround and 2ch Audio Support: Pass-through port supports up to Dolby®, DTS™ (formats up to 5.1/6.1). 2ch audio maximum support via wireless extension to Rx unit.

  • Point-to-Point: Pairing of up 4 extender sets using 4 unique channels possible within the same job site.

  • Complete Kit: Includes transmitter, receiver, power supplies, IR sensor, IR emitter, antennae, mounting brackets and screws.


Addional Features

  • HDR (High Dynamic Range): More life-like images through a greater range of luminance
  • Deep Color Support: Up to UHD/4K 30Hz 4:4:4/12 bits or 60Hz 4:4:4/8 bit
  • Visually Lossless Compression: 18G enabling technology allows wireless extension of HDMI signals with latest resolution and features
  • HDCP 2.2: Compliancy up to HDCP 2.x and backward compliant
  • HDCP Authentication: HDCP sources are authenticated by the HDCP key on transmit unit, for one-to-one topology
  • AV Signal Regeneration: Re-clocking of TMDS (AV signal) channel data at Transmit unit for brand-new AV signal

Key digital KD-4KWHCEX HDMI 4K 60Hz 100 ft Wireless Extender KIT with IR

SKU: 815996022383
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