4K UHD HDBaseT Extender Set with 2-way PoH and Bidirectional IR & RS-232 (4K: 70m/230ft | 1080p: 100m/328ft)

Part Number EX-70-H2

Designed specifically to meet demand for the latest 4K UltraHD content, source and display devices in any residential or commercial setting, the EX-70-H2 is a Class A HDBaseT extender solution with full HDR support distributing 4K UHD HDR and 1080p video, audio, bidirectional IR/RS-232 and two-way PoH to remotely power either transmitter or receiver.

Key Features:

  • 4K UHD @30hz 4:4:4 24bit | @60hz 4:2:0 8bit | 4K HDR @24Hz 4:2:0 10bit BT.2020
  • HDBaseT Class A transmission of 4K HDR up to 70m/230ft and 1080p @60Hz 48bit up to 100m/328ft
  • Revised chipset increases compatibility with new 4K UHD source devices
  • 2-way PoH for maximum convenience and flexibility during installation
  • Bidirectional IR & RS-232
  • 2ch PCM audio | up to 7.1, DTS-X and Dolby Atmos
  • HDCP 2.2 compliant


Featuring powerful Class A HDBaseT transmission, the EX-70-H2 is intended for use in any environment where 4K Ultra HD and HDR content and control is required over an extended distances up to 70m/230ft using Cat6 cable.  
Featuring an enhanced chipset to ensure compatibility with current and future UHD source devices, including those outputting 4K HDR content, the EX-70-H2 offers full compatibility with the latest UltraHD content and HDMI 2.0 video standards for transmission up to 4K UHD @30hz 4:4:4 24bit and 4K HDR @24Hz 4:2:0 10bit (BT.2020).
Supporting distribution of 4K UHD video, 2ch PCM audio and multichannel support for up to 7.1, DTS-X and Dolby Atmos, bidirectional IR and RS-232, the EX-70-H2 also features 2-way PoH to enable the extender to be remotely powered from either TX or RX for ultimate convenience and ease of installation.  Furthermore, with a compact chassis of just 17mm, the EX-70-H2 is designed with discreet and flexible placement in mind behind even the slimmest wall mount.


  • 4K UltraHD extender set capable of transmitting AV content over long distances using single cable Cat6 cable
  • Robust HDBaseT Class A transmission of 4K HDR up to 70m/230ft and 1080p @60Hz 48bit up to 100m/328ft
  • Full UHD 4K transmission supporting HDMI 2.0 video standards
  • Supports all high definition resolutions up to and including 4K UHD @30hz 4:4:4 24bit | 4K HDR @24Hz 4:2:0 10bit (BT.2020) - see specification tab for full details
  • Revised chipset increases compatibility with new 4K UHD source devices
  • Transmits discreet wide-band two-way IR control signal / serial control commands together within HDMI signal over a single Cat5ei/6
  • Low profile chassis of 17mm for easier, more convenient installations behind screens at display zones. 
  • Two-way PoH (Power over HDBaseT) enables either transmitter or receiver to be remotely powered by the other locally powered so mains power connectivity is not required at both source and display location
  • 2ch PCM audio and multichannel HD audio supports 7.1, DTS-X and Dolby Atmos 
  • HDCP 2.2 compliant
  • 3D compatible
  • Switchable RS-232 function mode on transmitter and receiver for firmware update
  • Note: Serial control via RS-232 only supported when connected to a compatible HDBaseT transmission device with routable RS-232. 
  • Threaded bushings allow use of both standard and locking 18v DC power plugs 
  • Visual LED indication for power supply to units, signal status to show established display connection, HDCP presence in signal and HDBaseT link between devices
  • Cablei termination follows IEEE-568B standards 
  • Automatically adjusts feedback, equalization and amplification of signal for easy installation 
  • Energy efficient universal power supply included 

In the Box

1x EX-70-H2 Transmitter
1x EX-70-H2 Receiver
1x 18V DC 1A Power Supply (US/UK/EU)
2x 3-pin Screw Down Phoenix Connectors
2x Wide-band IR Emitters
2x Wide-band IR Receivers (30-50KHz)
4x Mounting Brackets (1pr for TX and 1pr for RX)
1x Quickstart Guide (this document)


Audio and Video

Transmitter: 1x HDMI 19-pin type A | Receiver: 1x HDBaseT 8-pin RJ-45 female
Transmitter: 1x HDBaseT 8-pin RJ-45 female | Receiver: 1x HDMI 19-pin type A
Audio Formats
2ch PCM | Up to 7.1 DTS-X and Dolby Atmos
Video Resolutions (Max)
1920x1080p @60Hz 36bit (15m/50ft)
3840x2160p @30Hz 4:4:4 8bit per channel (7m/23ft)
3840x2160p @24Hz 4:2:0 HDR 10bit per channel (3m/9.8ft)
4096x2160p @60Hz 4:2:0 8bit per channel (7m/23ft)
Using Cat6
1920x1080p @60Hz 36bit (100m/328ft)
3840x2160p @30Hz 4:4:4 8bit per channel (70m/230ft)
3840x2160p @24Hz 4:2:0 HDR 10bit per channel (70m/230ft)
4096x2160p @60Hz 4:2:0 8bit per channel (70m/230ft)
Using Cat6a/7
1920x1080p @60Hz 36bit (100m/328ft)
3840x2160p @30Hz 4:4:4 8bit per channel (100m/328ft)
3840x2160p @24Hz 4:2:0 HDR 10bit per channel (70m/230ft)
4096x2160p @60Hz 4:2:0 8bit per channel (100m/328ft)
Color Depth
1080p: 48bit | 4K UHD: 8bit | HDR @24p: 10bit per channel BT.2020
Maximum Pixel Clock

Communication and Control

HDCP 2.2 | EDID | DVI/D supported with adapter (not included)
HDCP 2.2 | EDID | 2-way PoH | Bidirectional IR | RS-232
1x IR TX 3.5mm (1/8in) Mono | Bidirectional over HDBaseT
1x IR RX 3.5mm (1/8in) Stereo | Bidirectional over HDBaseT
1x 3-pin Screw Down Phoenix Connector | Bidirectional over HDBaseT
Audio Return Channel (ARC)
Power Supply
Input: 100~240V AC 50/60Hz | Output: 18V DC 1A
Non-Standard PoH (2-way)
18V 9W
Max Power Consumption


Operating Temperature
32°F ~ 113°F (0°C ~ 45°C)
10% ~ 90%, non-condensing
Storage Temperature
-4°F to ~ 158°F (-20°C ~ +70°C)
10% ~ 90%, non-condensing
Maximum BTU
90.42 BTU/hr

Dimensions and Weight



Safety and Emission