StarTech.com HDMI Over CAT6 Extender - Power Over Cable - 4K 60Hz Up to 70m / 230 ft - 1080p 60Hz up to 100m / 328 ft

$488.91
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11 availableas of 09/19/2026

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Compliance, certifications and origin

  • TAA compliant
  • RoHS
  • WEEE
  • REACH
  • Origin: Taiwan
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

About the StarTech.com HDMI Over CAT6 Extender - Power Over Cable - 4K 60Hz Up to 70m / 230 ft - 1080p 60Hz up to 100m / 328 ft

This HDMI Over CAT6 extendertransmitsyour HDMI audio/video signal to a remote location up to 100 m (328 ft.)away.

Get4K at 60Hz from 70 m (230 ft.)away

This HDMI over CAT6 extender maintains your Ultra HD 4K picture quality, even at 70 m (230 ft.)away from your video source. If you're not running 4K video, this extender supports High-Definition 1080p 60Hz and lower resolutions at even greater distances, up to 100 m (328 ft.)from your HDMI source.

With full support for your HDMI 2.0 equipment, including4K resolution at 60Hz, this extender can transmit at a bandwidth of up to 18Gbps, making it the ideal solution for high-resolution tasks requiring the highest color detail. For smoother video and color transitions, the extender offers 4:4:4 chroma subsampling via visually lossless compression, meaning every pixel gets its own unique color.

Simplify your setup

The HDMI Extender Over CAT6 offers a hassle-free solution for your digital signage project. The extender only requires a single CAT5e or CAT6 cable, so you extend an HDMI signal using existing infrastructure that's already in your building. Plus, this HDMI extender supports Power Over Cable (POC), which means you'll only need one power adapter connected to either your transmitter or receiver. Mounting hardware is also included for discreet, professional installation.

The ST121HDBT20L is TAA compliant and backed by a 2-year StarTech.com warranty with free lifetime technical support.

More from the Manufacturer This HDMI Over CAT6 extendertransmitsyour HDMI audio/video signal to a remote location up to 100 m (328 ft.)away. Get4K at 60Hz from 70 m (230 ft.)away This HDMI over CAT6 extender maintains your Ultra HD 4K picture quality, even at 70 m (230 ft.)away from your video source. If you're not running 4K video, this extender supports High-Definition 1080p 60Hz and lower resolutions at even greater distances, up to 100 m (328 ft.)from your HDMI source. With full support for your HDMI 2.0 equipment, including4K resolution at 60Hz, this extender can transmit at a bandwidth of up to 18Gbps, making it the ideal solution for high-resolution tasks requiring the highest color detail. For smoother video and color transitions, the extender offers 4:4:4 chroma subsampling via visually lossless compression, meaning every pixel gets its own unique color. Simplify your setup The HDMI Extender Over CAT6 offers a hassle-free solution for your digital signage project. The extender only requires a single CAT5e or CAT6 cable, so you extend an HDMI signal using existing infrastructure that's already in your building. Plus, this HDMI extender supports Power Over Cable (POC), which means you'll only need one power adapter connected to either your transmitter or receiver. Mounting hardware is also included for discreet, professional installation. The ST121HDBT20L is TAA compliant and backed by a 2-year StarTech.com warranty with free lifetime technical support. More from the Manufacturer

This HDMI Over CAT6 extendertransmitsyour HDMI audio/video signal to a remote location up to 100 m (328 ft.)away.

Get4K at 60Hz from 70 m (230 ft.)away

This HDMI over CAT6 extender maintains your Ultra HD 4K picture quality, even at 70 m (230 ft.)away from your video source. If you're not running 4K video, this extender supports High-Definition 1080p 60Hz and lower resolutions at even greater distances, up to 100 m (328 ft.)from your HDMI source.

With full support for your HDMI 2.0 equipment, including4K resolution at 60Hz, this extender can transmit at a bandwidth of up to 18Gbps, making it the ideal solution for high-resolution tasks requiring the highest color detail. For smoother video and color transitions, the extender offers 4:4:4 chroma subsampling via visually lossless compression, meaning every pixel gets its own unique color.

Simplify your setup

The HDMI Extender Over CAT6 offers a hassle-free solution for your digital signage project. The extender only requires a single CAT5e or CAT6 cable, so you extend an HDMI signal using existing infrastructure that's already in your building. Plus, this HDMI extender supports Power Over Cable (POC), which means you'll only need one power adapter connected to either your transmitter or receiver. Mounting hardware is also included for discreet, professional installation.

The ST121HDBT20L is TAA compliant and backed by a 2-year StarTech.com warranty with free lifetime technical support.

More from the Manufacturer

More from the manufacturer

Technical specifications

Technical Specifications of the StarTech.com HDMI Over CAT6 Extender - Power Over Cable - 4K 60Hz Up to 70m / 230 ft - 1080p 60Hz up to 100m / 328 ft

General Information

General Information specifications
Manufacturer StarTech.com
Manufacturer Part Number ST121HDBT20L
Manufacturer Website Address http://www.startech.com
Brand Name StarTech.com
Product Name HDMI Over CAT6 Extender - Power Over Cable - Up to 100 m (328 ft.)
Packaged Quantity 1 Kit
Product Type Video Extender Transmitter/Receiver

Technical Information

Technical Information specifications
Connectivity Technology Wired
Number of Input Devices Supported 1
Number of Output Devices Supported 1
Maximum Operating Distance 328.08 ft

Video

Video specifications
Graphics Modes 4K
Maximum Video Resolution 4096 x 2160

Interfaces/Ports

Interfaces/Ports specifications
Network (RJ-45) Yes
HDMI In Yes
HDMI Out Yes
Number of Network (RJ-45) Ports 2
Number of HDMI Inputs 1
Number of HDMI Outputs 1

Media & Performance

Media & Performance specifications
Media Type Supported Twisted Pair
Twisted Pair Cable Standard Category 6

Physical Characteristics

Physical Characteristics specifications
Color Family Black
Product Color Black
Transmitter Height 1"
Transmitter Width 3"
Transmitter Depth 4"
Receiver Height 1"
Receiver Width 3"
Receiver Depth 4"
Transmitter Weight (Approximate) 3.88 oz
Receiver Weight (Approximate) 3.88 oz

Miscellaneous

Miscellaneous specifications
Package Contents
  • 1 x HDMI Over CAT6 Transmitter
  • 1 x HDMI Over CAT6 Receiver
  • 1 x Universal Power Adapter (NA/JP, EU, UK, ANZ)
  • 1 x IR Blaster
  • 1 x IR Receiver
  • 2 x Mounting Brackets
  • 8 x Rubber Feet
  • 1 x Quick-Start Guide
Green Compliant Yes
Country of Origin Taiwan
TAA Compliant Yes
Environmental Compliance Restriction of Hazardous Substances (RoHS)Waste Electrical and Electronic Equipment Directive (WEEE)Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)

Warranty

Warranty specifications
Limited Warranty 2 Year

Ratings and reviews

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Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

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