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The Atlona AT-HDR-EX-100CEA-KIT is an HDBaseT transmitter/receiver kit for high dynamic range (HDR) formats. The kit is HDCP 2.2 compliant and supports 4K/UHD video at 60 hz with 4:4:4 chroma sampling, as well as HDMI data rates up to 18 Gbps. The HDR-EX-100CEA-KIT provides transmission of HDMI, Ethernet pass-through, and bidirectional IR and RS-232 control signals up to 330 ft (100 m) over CAT6a/7 cable. This extender kit features visually lossless compression with no latency to enable HDR and 4K/60 4:4:4 video signal extension over HDBaseT. For additional integration convenience, the transmitter remotely powers the receiver through Power over Ethernet (PoE). The HDR-EX-100CEA-KIT can transmit digital audio from a television back to an AV receiver, via a dedicated audio pathway.

The HDR-EX-100CEA-KIT is ideal for residential and commercial applications with the latest as well as emerging 4K/UHD and HDR sources and displays. It is compatible with all video resolutions, audio formats, and color space formats supported in the HDMI 2.0b specification, plus the ability to pass metadata for HDR content. The HDR-EX100CEA-KIT includes Atlona's award winning 10 year limited product warranty and customer support services, so that integrators can specify, purchase, and install with confidence.


Comes with ethernet, control, PoE, and return audio

4K/UHD Capability at 60 hz with 4:4:4 Chroma Sampling, Plus Support for HDR Formats

  • Compatibility with new and emerging 4K/UHD and HDR-capable sources and displays.
  • Compatible with 4K HDR10 at 60 hz and DolbyR VisionTM at 30 hz.
  • Fully supports video resolutions, audio formats, and color space formats in the HDMI 2.0b specification.

HDCP 2.2 Compliant

  • Adheres to latest specification for High-bandwidth Digital Content Protection.
  • Allows protected content stream to pass between authenticated devices.

HDBaseT Extender Kit for HDMI, Ethernet, Power, and Control up to 330 ft (100 m)

  • Extends HDMI up to 330 ft (100 m) at 4K HDR using CAT6a/7 cable.
  • Uses easy-to-integrate category cable for low-cost, reliable system installation.

Receiver Powered by Transmitter via PoE (Power over Ethernet)

  • Power for receiver is supplied by transmitter over HDBaseT.
  • Allows convenient receiver installation at a display or projector without the need for local AC power.

Extends RS-232, IR, Ethernet, and CEC Control Signals over HDBaseT

  • Bidirectional extension of RS-232, IR, and Ethernet control signals.
  • Eliminates multiple cable runs between source, control system, and display.

Delivers Return Audio from a TV via Dedicated Audio Pathway

  • Provides a return audio pathway from a television to an AV receiver, with TOSLINK digital audio interfaces at the receiver and transmitter
  • Easy and convenient integration of television audio for over-the-air broadcasts, OTT (over-the-top) media services, and more.

HDBaseT Link Status Testing

  • Free software utility available for testing integrity of the HDBaseT cable link between the transmitter and the receiver.
  • Provides real-time link status, plus detailed HDBaseT and HDMI signal information.
  • Quick, easy verification or troubleshooting of RJ-45 termination or twisted pair cable quality.
  • Test button and LED also available on the transmitter for checking HDBaseT link integrity.

Visually Lossless Compression

  • Enables HDBaseT transmission of HDMI up to 18 Gbps using extremely light video compression with no latency
  • Innovative signal extension solution delivers very high, pristine image quality

Multi-Channel Audio Compliant

  • Supports PCM, Dolby Digital, Dolby Digital PlusTM, Dolby TrueHD, Dolby AtmosR, DTSR Digital SurroundTM, DTS-HD Master AudioTM, and DTS:XR
  • Allows any multi-channel audio stream to be used within a professional audio system

5 Volt and Hot Plug Detect Emulation For HDMI Source and Sink Communications

  • Restores +5 volt and HPD signals lost due to issues at the source or display, as well as faulty or long cables
  • Enables the essential signal handshaking necessary for the source to deliver video content

Provides HDMI Signal Regeneration For Source Devices

  • Allows HDMI 1.2 sources such as cable television set-top boxes to be used in newer systems
  • Addresses the lack of support for the HDMI 1.3 clock stretching protocol required in HDBaseT extenders

Power Chaining

  • Included power supply provides ample power for up to three Atlona HDBaseT extenders
  • Four Atlona HDBaseT extenders can be powered using the optional AT-PS-483125-Cpower supply
  • Reduces clutter from multiple power supplies in equipment racks

Rear Panel I/O Connectors

  • Placement of ports on rear panel simplifies wire management
  • Saves installation time and eliminates clutter

Field-Updatable Firmware

  • Front panel USB port provides an easy means for device updates
  • Ensures long-term system return on investment

Front Panel Power And Link Status Leds

  • LED indicators provide power and HDBaseT link status information
  • Provides easy setup and troubleshooting

Low-Profile, 1 Inch (25 Mm) High Quarter Rack-Width Enclosure

  • Easy installation into racks and confined spaces
  • Keeps devices out-of-sight when placed in public spaces

Award-Winning 10 Year Limited Product Warranty

  • Ensures long-term product reliability and performance in residential and commercial systems.
  • Specify, purchase, and install with confidence.


  • Residential Installations

    The HDR-EX-70C-KIT is designed for AV systems with the latest UHD and HDR sources such as Ultra HD Blu-Ray players, plus compatible televisions and projectors

  • TV Showrooms

    The HDR-EX-70C-KIT can be used for reliable content distribution to televisions, to properly demonstrate the quality and appeal of 4K and HDR programming

  • Professional AV Applications

    Atlona 4K HDR products are ideal for full-motion, highly detailed 4K graphics presentations for visualization, 3D renderings, simulations, and more


  • CE, FCC (Device)
  • CE, FCC, cULus, RoHS, CCC, RCM (Power Supply)
Video Resolution 4096 x 2160 at 24/25/30/50/60 hz, 3840 x 2160 at 24/25/30/50/60 hz, 2048 x 1080, 1080p at 23.98/24/25/29.97/30/50/59.94/60 hz, 1080i at 50/59.94/60 hz, 720p at 50/59.94/60 hz, 576p, 576i, 480p, 480i
VESA Mounting Pattern 2560 x 2048 mm, 2560 x 1600 mm, 2048 x 1536 mm, 1920 x 1200 mm, 1680 x 1050 mm, 1600 x 1200 mm, 1600 x 900 mm, 1440 x 900 mm, 1400 x 1050 mm, 1366 x 768 mm, 1360 x 768 mm, 1280 x 1024 mm, 1280 x 800 mm, 1280 x 768 mm, 1152 x 768 mm, 1024 x 768 mm, 800 x 600 mm, 640 x 480 mm
Color Space YUV, RGB
Chroma Subsampling 4:4:4, 4:2:2, 4:2:0
Color Depth 8-bit, 10-bit, 12-bit
HDR 4K HDR10 at 60 hz and DolbyR VisionTM at 30 hz
Audio Formats PCM 2-Channel, LPCM 5.1, LPCM 7.1, DolbyR Digital, DTS 5.1, DolbyR Digital PlusTM, DolbyR TrueHD, DTS-HD Master AudioTM, DolbyR AtmosR, DTS:XR
Audio Sample Rate 32 khz, 44.1 khz, 48 khz, 88.2 khz, 96 khz, 176.4 khz, 192 khz
Audio Bit Rate 24-bit Maximum
Bandwidth 18 Gbps
HDCP Compliance 2.2
HDMI Compliance 2.2
Maximum TMDS Clock 600 Mhz
Resolution/Distance 4K/UHD: 15 ft (HDMI), 295 ft (Cat5e/6), 330 ft (Cat6a/Cat7), 1080p: 30 ft (HDMI), 330 ft (Cat5e/6), 330 ft (Cat6a/Cat7)
Connectors Transmitter: 1 x Type A, 19-Pin Female HDMI IN, 1 x Mini Type A, 5-Pin Female USB, 1 x 5-Pin Captive Screw RS-232/IR, 1 x RJ45 HDBaseT, 1 x RJ45 LAN, 1 x TOSLINK Optical OUT, 1 x 2-Pin Captive Screw DC 48 V, Receiver: 1 x Type A, 19-Pin Female HDMI OUT, 1 x Mini Type A, 5-Pin Female USB, 1 x 5-Pin Captive Screw RS-232/IR, 1 x RJ45 HDBaseT, 1 x RJ45 LAN, 1 x TOSLINK Optical IN
Controls Transmitter: 1 x Momentary, Tact-Type Test Button
Indicator Transmitter: 1 x Tri-Color (Green, Amber, Red) Test LED, 1 x Green Power LED, 1 x Amber Link LED, Receiver: 1 x Green Power LED, 1 x Amber Link LED
Power Supply 100 - 240 VAC, 48 VDC, 0.83 A at 50/60 hz
Power Consumption 5.25 W Transmitter, 7.55 W Receiver
Temperature Rating 0 - 50 deg C Operating, -20 to 60 deg C Storage
Dimensions 5.74 Inch W x 3.74 Inch D x 1.02 Inch H (Transmitter), 5.74 Inch W x 3.81 Inch D x 1.02 Inch H (Receiver)
Includes Installation Guide, Surface Mounting Brackets, IR Emitter and External Universal Power Supply
File Download(s): Cut Sheet | Installation Instruction |