StarTech.com HDMI over Dual CAT5 Extender - HDMI Bus-Powered - 1080p

StarTech.com ST121SHD30

Click image to enlarge or see more views.

Volume Discounts
Contact us and save even more if you meet these Big Deal qualifications.
Purchase a minimum of $3,000 of StarTech Products

Manufacturer Part#  ST121SHD30

Provantage Code:  STR933C

Condition:  Factory New

  • Product Type: Video Extender Transmitter/Receiver
  • Maximum Operating Distance: 328.08 ft
  • Maximum Video Resolution: 1920 x 1080
  • Number of Network (RJ-45) Ports: 4
  • Transmitter Height: 0.90"
  • TAA Compliant: No

Big DealsSatisfaction Guaranteed

NetworkingNetwork DevicesVideo Console Extenders


StarTech.com ST121SHD30 Specifications

    HDMI over Dual CAT5 Extender - HDMI Bus-Powered - 1080p

At a Glance

    • Hassle-free setup and no power adapter required with an extender kit that's powered using the HDMI bus
    • Easily control your video source from a remote location with IR remote control extension
    • Crystal-clear picture quality with support for resolutions up to 1080p HD
    • Built-in mounting hardware
    • 7.1 audio support


    This HDMI® over dual CAT5 extender transmits your HDMI A/V signal with IR to a remote location up to 30 m (100 ft.) away over dual CAT5/CAT6 cables.

    Simplify Your Setup with No Power Adapters Required

    Unlike most 1080p HDMI extenders that can require up to two power adapters, this HDMI over CAT5 extender is powered using the HDMI bus and does not require external power. Power-free installation makes your digital-signage solution simple. Mounting hardware is built into both the transmitter and receiver to ensure a discreet, professional installation.

    Control Your Video Source from the Remote Display

    With IR extension built-in this HDMI transmitter and receiver kit offers remote infrared extension, enabling you to control your video source from the remote display, ensuring you can always see what you're doing, even from a distance.

    Crystal-clear 1080p Video

    This HDMI extender maintains your 1080p picture quality, ensuring your remote picture is crystal clear. The extender also supports 7.1 audio for optimum sound quality. Support for HD video and 7.1 channel audio lets you create brilliant digital signage solutions that capture the attention of your audience.

    The ST121SHD30 is backed by a 2-year StarTech.com warranty and free lifetime technical support.

Certifications & Standards

    • CE
    • FCC

Environmental Certification

    Right View




Package Contents

    Left View

    • HDMI over CAT5e/6 UTP Transmitter
    • HDMI over CAT5e/6 UTP Receiver
    • 4 x Foot Pad Set
    • 1 x IR Extender Kit
    • 1 x Mounting brackets
    • 1 x User Manual


General Information
Product NameHDMI over Dual CAT5 Extender - HDMI Bus-Powered - 1080p
Manufacturer Part NumberST121SHD30
Product TypeVideo Extender Transmitter/Receiver
Technical Information
Connectivity TechnologyWired
Number of Input Devices Supported1
Number of Output Devices Supported1
Maximum Operating Distance328.08 ft
Network (RJ-45)Yes
Number of Network (RJ-45) Ports4
Number of HDMI Inputs1
Number of HDMI Outputs1
Media & Performance
Media Type SupportedTwisted Pair
Twisted Pair Cable StandardCategory 6
Graphics ModesFull HD
Maximum Video Resolution1920 x 1080
Physical Characteristics
Transmitter Height0.90"
Transmitter Width1.80"
Transmitter Depth3.20"
Receiver Height0.90"
Receiver Width1.80"
Receiver Depth3.20"
Form FactorRack-mountable


Transmitter Weight (Approximate)8.50 oz
Receiver Weight (Approximate)8.50 oz
Limited Warranty2 Year
Environmentally FriendlyYes
Other Information
Daisy ChainNo
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Supplies/Accessories for StarTech.com ST121SHD30

StarTech.com 25ft Cat6 Molded RJ45 UTP Gigabit Patch Cable - Grey

Mfg Part# C6PATCH25GR

StarTech.com 50ft Cat6 Molded RJ45 UTP Gigabit Patch Cable - Yellow

Mfg Part# C6PATCH50YL

StarTech.com 50ft Cat6 Molded RJ45 UTP Gigabit Patch Cable - Blue

Mfg Part# C6PATCH50BL

StarTech.com 50ft Cat6 Molded RJ45 UTP Gigabit Patch Cable - Green

Mfg Part# C6PATCH50GN

Considering a Volume Purchase?
You may be able to save even more on your order if you meet the following StarTech.com BIG DEAL qualifications:

Purchase a minimum of $3,000 of StarTech Products

Shop with confidence! Provantage is an authorized StarTech.com dealer.

Visit the Manufacturer
Learn more by visiting the manufacturer's website.

© Copyright 1984-2020 Provantage
StarTech.com ST121SHD30