4K UHD HDBaseT Extender Set with 2-way PoH and Bidirectional IR & RS-232 (4K: 35m/115ft | 1080p: 70m/230ft)

Part Number EX-35-H2

For extension of 4K UltraHD and HDR transmissions over medium distances in residential or commercial applications, the EX-35-H2 features the Class B HDBaseT platform with full HDR support to distribute 4K UHD HDR, audio, bidirectional IR/RS-232 and two-way PoH to remotely power either transmitter or receiver up to 35m/115ft or 1080p up to 70m/230ft.

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 B transmission of 4K HDR up to 35m/115ft and 1080p @60Hz 36bit up to 70m/230ft
  • 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 the stable and affordable HDBaseT Class B platform, the EX-35-H2 enables transmission of 4K UHD content and control up to 35m/115ft in in residential or commercial environments where the display device is located away from the source.  
With a revised chipset ensuring compatibility with current and future UHD source devices, including those outputting 4K HDR content where available, the EX-35-H2 supports the latest UltraHD and HDMI 2.0 video standards for transmission up to 4K UHD @30hz 4:4:4 24bit | @60hz 4:2:0 8bit and 4K HDR @24Hz 4:2:0 10bit BT.2020.
In terms of audio, the EX-35-H2 supports 2ch PCM audio and multi-channel audio up to 7.1, DTS-X and Dolby Atmos, and also also features bidirectional IR & RS-232 that provides the ability to control the display without needing to run additional cabling.
The EX-35-H2 offers a compact design of just 15mm high that allows for easy placement behind a display and 2-way PoH that enables remote powering from either TX or RX, eliminating the need for a second power supply for ultimate convenience and ease of installation.


  • 4K UltraHD extender set capable of transmitting AV content over medium distances using single cable Cat6 cable
  • HDBaseT Class B transmission of 4K HDR up to 35m/115ft and 1080p @60Hz 36bit up to 70m/230ft
  • 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 Cat5e/6
  • Low profile chassis of 15mm 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 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
  • Cable 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-35-H2 Transmitter

1x EX-35-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 


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 (70m/230ft)
3840x2160p @30Hz 4:4:4 8bit per channel (70m/230ft)
3840x2160p @24Hz 4:2:0 HDR 10bit per channel (35m/115ft)
4096x2160p @60Hz 4:2:0 8bit per channel (35m/115ft)
Color Depth
1080p: 36bit | 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
2-way: 48V 15.4W 
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
30.30 BTU/hr

Dimensions and Weight



Safety and Emission