EX-4KU (Kit)

USB & 4K HDMI with HDBaseT 2.0 Extension on a Single Gang Wall-Plate

Model EX-4KU-WP

  • (x1) 1-Gang HDBaseT™ transmitter (EX-4KU-WP)
  • (x1) Phoenix connector (3-pin)

Model UHB-R

  • (x1) HDBaseT™ receiver (UHB-R)
  • (x1) Phoenix connector (3-pin)
  • (x1) Power Supply



Ceiling Tile Speaker, 2ftx2ft, 8 Ohm

Read More


4-Input HDMI Seamless Switch with Real-time Multiview Modes

Read More

The Hall Research EX-4KU is a kit comprised of a single-gang wall plate transmitter together with a low profile Receiver and associated power supply. The wall plate provides an HDMI video input plus a USB Host port for connection to a host such as a PC or Mac computer. The system uses HDBaseT™ 2.0 for the most reliable operation and widest compatibility possible. HDMI input supports all PC or HDTV resolutions up to and including 4K.

The USB Extension is compatible with keyboard, mouse, touch-screen or any other USB 1.1 and 2.0 device such as Smartboards, interactive displays, and USB webcams.

EX-4KU HDBaseT™ Wall Plate Extender is perfect for all commercial AV and Educational (K-12) installations. No programming is required and the system can be installed and operational in minutes.

The EX-4KU can transmit HDMI signal over CAT6/6a/7 to a distance up to 130 ft for 4K@60Hz (4:2:0) or up to 230ft for 1080p60Hz. Full duplex RS-232 is also extended for installations that need added serial control. The wall plate provides two USB charging ports for added convenience.

Power is sent from the receiver to the wall plate

This versatile extender includes 1 wall plate transmitter and 1 box-style receiver with a corresponding universal power supply.

  • 1 HDMI and 2 USB Charging Ports on a single-gang wall plate
  • Uses HDBaseT™ 2.0 chipset
  • Extends 4K video and USB 2.0 to 40 m (130 ft)
  • Extends 1080p video and USB 2.0 to 70 m (230 ft)
  • Receiver provides USB port with two outputs
  • Supports all USB 1.1 and 2.0 peripherals including touch-screen LCDs
  • Extends RS-232 for control
  • Wall plate provides two USB charging ports for convenience
  • HDCP 2.2 compliant
  • Wall plate is powered from the Receiver
  • Perfect for conference rooms and classrooms with Interactive displays
  • Includes compact Receiver (UHB-R)
Wall plate Transmitter


HDMI In x1, USB Type-B, USB Type-A charge ports x2 x1
RS-232 (screw terminal) x1. HDBaseT (RJ45) x1

Max Video Resolutions:

HDMI: 4K2K@30Hz 4:4:4 or 4Kx2K@60Hz 4:2:0 to 130 ft

Dimension: 2.6″ H x 1.30″ W x 1.8″ D
Weight: 0.7lbs (1.2 lbs shipping)



HDBaseT (RJ45) x1, IR In (3.5mm) x1, IR Out (3.5mm) x1, RS-232 (screw terminal) x1, USB 2.0 HUB (Type A) x2, Service (micro-USB) x1

Video Resolutions:

Up to 4K@60Hz (4:4:4) to 130 feet (40 meters) or 1080p@60Hz to 230 feet (70 meters)

HDMI Compliance: 2.0b
HDCP Compliance: 2.2 & 1.4
Power Supply: Input AC100-240V 50/60Hz, Output DC 24V/1A (US/EU standards, CE/FCC/UL certified)
Power Consumption: 7.5 Watts
ESD Protection: Human Body Model: ±8kV (Air Discharge) & ±4kV (Contact Discharge)
Dimension: 6.78″ x 3.83″ x 0.78″
Weight: 1.8lbs (2.25 shipping)


Operating Temperature 0°C – 40°C/32°F – 104°F
Storage Temperature: -20°C – 60°C/-4°F – 140°F
Total Shipping Weight: 3 lbs

Spec Sheets Versions Last Updated
EX-4KU Spec Sheet

JUNE 24, 2020
Manuals Versions Last Updated
EX-4KU Users Manual

JUNE 24, 2020