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1:1 4K HDR HDMI / RS-232 / IR / PoE over HDBaseT Transmitter and Receiver
Max 70m @ 4K/UHD with 4:4:4 sampling

£399 (£478.80 inc. VAT)
Availability: 3-5 days

Atlona AT-HDR-EX-70CKIT Description

The Atlona AT-HDR-EX-70C-KIT is an HDBaseT transmitter/receiver kit for high dynamic range (HDR) formats. Part of the comprehensive family of Atlona 4K HDR integration products, the kit is HDCP 2.2 compliant and supports 4K/UHD video @ 60 Hz with 4:4:4 chroma sampling, as well as HDMI data rates up to 18 Gbps. The HDR-EX-70C-KIT provides transmission of HDMI, plus IR and RS-232 control pass-through up to 230 feet (70 meters) for 1080p video, and up to 130 feet (40 meters) for 4K HDR 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-70C-KIT delivers a cost-effective solution for HDMI and control signal extension, and includes surface mounting hardware for discreet installation.

The HDR-EX-70C-KIT is ideal for residential and commercial applications with the latest as well as emerging 4K/UHD and HDR sources and displays. It includes Atlona’s award-winning 10 year limited product warranty and customer support services, so that integrators can specify, purchase, and install with confidence.
  • 4K/UHD capability @ 60 Hz with 4:4:4 chroma sampling, plus support for HDR formats
    • Ideal for new and emerging 4K/UHD and HDR-capable sources and displays
    • Compatible with 4K HDR10 @ 60 Hz and Dolby® Vision™ @ 30 Hz
  • 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, power, and control up to 230 feet (70 meters)
    • Extends HDMI up to 230 feet (70 meters) @ 1080p and 130 feet (40 meters) @ 4K HDR using CAT6a/7 cable*
    • Uses easy-to-integrate category cable for low-cost, reliable system installation
    • * To achieve optimal HDBaseT performance, CAT6a or CAT7 shielded twisted pair cable is highly recommended.
  • 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, and CEC control signals over HDBaseT
    • Bidirectional extension of RS-232 and IR control signals
    • Eliminates multiple cable runs between source, control system, and display
  • 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 Plus™, Dolby TrueHD, Dolby Atmos®, DTS® Digital Surround™, DTS-HD Master Audio™, and DTS:X®
    • 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 legacy HDMI sources such as cable television set-top boxes to be used in newer systems
    • Addresses the lack of support for the HDMI clock stretching protocol required in HDBaseT extenders
  • 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
  • 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-C power 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

Atlona AT-HDR-EX-70CKIT Specifications


UHD/HD/SD 4096×2160@24/25/30/50/60Hz, 3840×2160@24/25/30/50/60Hz, 2048x1080p, 1080p@23.98/24/25/29.97/30/50/59.94/60Hz, 1080i@50/59.94/60Hz, 720p@50/59.94/60Hz, 576p, 576i, 480p, 480i
VESA 2560×2048, 2560×1600, 2048×1536, 1920×1200, 1680×1050, 1600×1200, 1600×900, 1440×900, 1400×1050, 1366×768, 1360×768, 1280×1024, 1280×800 1280×768, 1152×768, 1024×768, 800×600, 640×480
Colour Space YUV, RGB
Chroma Subsampling 4:4:4, 4:2:2, 4:2:0
Colour Depth 8-bit, 10-bit, 12-bit
HDR 4K HDR10 @ 60Hz and Dolby® Vision™ @ 30Hz


Formats PCM 2Ch, LPCM 5.1, LPCM 7.1, Dolby® Digital, DTS 5.1, Dolby Digital Plus™, Dolby TrueHD, DTS-HD Master Audio™, Dolby Atmos®, DTS:X®
Sample Rate 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
Bit Rate 24-bit (max.)

Resolution / Distance

CAT5e/6 @ 4K up to 35 meters / up to 115 feet
CAT5e/6 @ 1080p up to 60 meters / up to 200 feet
CAT6a/7 @ 4K up to 40 meters / up to 130 feet
CAT6a/7 @ 1080p up to 70 meters / up to 230 feet


Bandwidth 18 Gbps
CEC Compliant
HDCP 2.2


Operating 0°C to 50°C / 32°F to 122°F
Storage -20°C to 60°C / -4°F to 140°F
Humidity (RH) 20 to 90%, non-condensing


Consumption 13 W
Input 100 – 240 V AC, 50/60 Hz
Supply 48 V DC, 0.83 A


Dimensions H x W x D
(Transmitter / Receiver)
1.02 x 4.29 x 5.00 inch / 26 x 109 x 127mm
Weight 0.85lb. / 0.39kg (Transmitter)
0.86lb. / 0.39kg (Receiver)
Certification Device CE, FCC
Power Supply CE, FCC, cULus, RoHS, CCC, RCM
In The Box Installation guide, surface mounting brackets, IR emitter, and external universal power supply

Atlona AT-HDR-EX-70CKIT Usage Diagram

Atlona AT-HDR-EX-70CKIT Usage Diagram