Front view of StarTech.com HDMI extender transmitter and receiver units showing HDMI and USB ports

Long-Range HDMI Extension with Integrated USB Hub

The StarTech.com HDMI extender kit features a transmitter and receiver unit that enables high-definition video and USB connectivity across long distances. The sleek black units provide HDMI ports for video transmission and multiple USB ports for peripheral device connectivity, making it ideal for digital signage and remote workstation setups.

Technical Specifications

  • Supports 1080p video up to 165 feet (50m)
  • 4-port USB 2.0 hub functionality
  • HDMI and USB ports on both transmitter and receiver

Applications

  • Digital signage deployment in retail environments
  • Remote workstation setup in office spaces
  • Interactive kiosk installations
Side view of HDMI extender units showing HDMI and USB port configuration

Streamlined Connectivity Ports

The side view highlights the essential connectivity options available on both units. Each device features HDMI ports for video transmission, with the transmitter unit including additional USB ports for peripheral device connection. The clean layout ensures easy access and cable management.

Technical Specifications

  • HDMI input/output ports
  • USB 2.0 ports for peripheral connectivity
  • Compact side-access port design

Applications

  • Professional AV installations
  • Conference room setups
  • Educational facility deployments
Rear view of HDMI extender units showing dual RJ-45 network ports

Dual RJ-45 Network Connectivity

The rear panel showcases the dual RJ-45 ports that enable long-distance signal transmission over standard CAT6 cabling. This configuration allows for flexible installation options and reliable signal distribution across extended distances.

Technical Specifications

  • Dual RJ-45 ports for signal extension
  • CAT6 cable compatibility
  • Extended range capability

Applications

  • Long-distance AV distribution
  • Multi-room display setups
  • Building-wide digital signage networks
Angled view of HDMI extender units showing complete port layout and design

Angled Perspective of Extension System

This perspective highlights the compact form factor and professional design of the extension system. The angled view demonstrates the accessible port layout and status indicators, ensuring easy monitoring and maintenance of the connection status.

Technical Specifications

  • LED status indicators
  • Compact form factor design
  • Professional-grade build quality

Applications

  • Control room installations
  • Medical imaging display systems
  • Retail digital signage solutions
Complete package contents of HDMI extender kit including accessories and mounting hardware

Complete Installation Kit Contents

The comprehensive package includes all necessary components for a complete installation. From mounting brackets to power adapters and cables, every element is provided to ensure a quick and professional setup process.

Technical Specifications

  • Universal power adapters included
  • Mounting brackets for secure installation
  • Complete cable set provided

Applications

  • New system deployments
  • Professional AV installations
  • Upgrade implementations

Product details

General Information
Manufacturer

StarTech.com

Manufacturer Part Number

ST121USBHD

Brand Name

StarTech.com

Product Name

HDMI over CAT6 Extender with 4-port USB Hub - 165 ft (50m) - 1080p

Packaged Quantity Condition

Kit

Product Type

Video Extender Transmitter/Receiver

Technical Information
Connectivity Technology

Wired

Number of Input Devices Supported

1

Number of Output Devices Supported

1

Maximum Operating Distance

260 ft

Video
Graphics Modes

WUXGA

Maximum Video Resolution

1920 x 1200

Interfaces/Ports
Network (RJ-45)

Yes

HDMI In

Yes

HDMI Out

Yes

USB

Yes

Serial Port

Yes

Number of Network (RJ-45) Ports

4

Number of USB Ports

5

Number of HDMI Inputs

1

Number of HDMI Outputs

1

Media & Performance
Media Type Supported

Twisted Pair

Twisted Pair Cable Standard

Category 6

Physical Characteristics
Transmitter Height

0.80

Transmitter Width

3.20

Transmitter Depth

3.20

Receiver Height

0.80

Receiver Width

3.20

Receiver Depth

3.20

Transmitter Weight (Approximate)

1.01 lb

Receiver Weight (Approximate)

1.01 lb

Miscellaneous
Package Contents

  • 1 x HDMI over CAT6 Transmitter
  • 1 x HDMI over CAT6 Receiver
  • 2 x Ethernet Cables
  • 2 x USB to Mini-USB Cables
  • 1 X Universal Power Adapter (NA/EU/UK/AU)
  • 1 x Mounting Kit
  • 1 X Quick Install Guide

Environmentally Friendly

Yes

Environmental Certification

REACH
WEEE
RoHS

Country of Origin

Taiwan

TAA Compliant

Yes

Warranty
Limited Warranty

2 Year

FAQs

What is the maximum distance this HDMI extender can support?
The StarTech.com HDMI extender can transmit HD video signals up to 165 feet (50 meters) using shielded CAT6 cable. For 1080p video specifically, it supports distances up to 131 feet (40 meters) with shielded CAT6 cabling. Note that using unshielded CAT6 cable reduces the maximum distance to 30 meters, and with CAT5 cable, the maximum distance is further reduced to 15 meters.
What video resolutions does this extender support?
This HDMI extender supports resolutions up to 1920x1200 (WUXGA) or 1080p. It maintains crystal-clear picture quality and supports 7.1 digital audio, making it ideal for digital signage applications in commercial settings like hospitals and shopping centers.
What USB capabilities does this extender include?
The extender features a built-in 4-port USB 2.0 hub that allows you to connect and control up to four USB peripheral devices at the remote display location. This functionality supports devices such as flash drives, printers, scanners, external hard drives, and I/O devices. It's particularly useful for applications requiring touchscreen interfaces, such as market kiosks or POS systems.
What's included in the package?
The package includes: 1 HDMI over CAT6 Transmitter, 1 HDMI over CAT6 Receiver, 2 Ethernet cables, 2 USB to Mini-USB cables, 1 Universal Power Adapter (compatible with NA/EU/UK/AU), 1 Mounting Kit, and 1 Quick Install Guide.
How easy is it to set up and install this HDMI extender?
The HDMI extender offers plug-and-play installation with no additional software or drivers required. It automatically passes EDID information included in the HDMI signal and adjusts video equalization automatically, eliminating the need for manual configuration. The kit also includes mounting hardware for a professional installation.

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