HDMI Over CAT6 Extender - Power Over Cable - Up to 100m Part number: V240072
Manufacturer product ID: ST121HDBT20L
UPC Code: UPC65030877879
Box quantity: 0*
Sub-category: Components
Weight (Kg): 0.23
Warranty period: 24 Months
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  • Get astonishing video quality at impressive distances with UHD 4K 60Hz resolution at up to 70 m (230 ft.) and 1080p 60Hz resolutions at up to 100 m (328 ft.)
  • Hassle-free setup with video and power over a single CAT5e or CAT6 cable
  • Sleek professional installation with optional mounting hardware included
  • Remotely control your video source from the location of your remote display, with support for IR extension

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

Get 4K 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, including 4K 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 warranty with free lifetime technical support.


  Audio Yes
  Cabling Cat 5e UTP or better
  Daisy-Chain No
  Ports 1
  Audio Specifications 7.1 Surround Sound
  Max Distance 100 m / 330 ft
  Maximum Cable Length 100.1 m [328.4 ft]
  Maximum Digital Resolutions Up to 70 m: 4096 x 2160 (4K) @ 60 Hz
Up to 100 m: 1080p @ 60Hz
  Supported Resolutions 3840x2160 (4K) @ 60 Hz
1920x1200 @ 60 Hz
1920x1080 (1080p)
1280x720 (720p)
  Wide Screen Supported Yes
  Local Unit Connectors 1 - HDMI (19 pin) Female Input
    1 - RJ-45 Female Output
  Remote Unit Connectors 1 - RJ-45 Female Input
    1 - HDMI (19 pin) Female Output
  LED Indicators 1 - status LED (local)
    1 - status LED (remote)
  Center Tip Polarity Positive
  Input Current 0.6A
  Input Voltage 100 - 240 AC
  Output Current 1 A
  Output Voltage 18 DC
  Plug Type M
  Power Consumption (In Watts) 18
  Power Source AC Adapter Included
  Humidity 0% - 80 % RH (non-condensing)
  Operating Temperature 0°C to 40°C (32°F to 104°F)
  Storage Temperature -10°C to 60°C (14°F to 140°F)
Physical Characteristics
  Color Black
  Enclosure Type Aluminum
  Product Height 2.6 cm [1 in]
  Product Length 10.2 cm [4 in]
  Product Width 76 mm [3 in]
  Weight of Product 110 g [3.9 oz]
Packaging Information
  Package Height 62 mm [2.4 in]
  Package Length 28 cm [11 in]
  Package Width 20.6 cm [8.1 in]
  Shipping (Package) Weight 0.2 kg [0.5 lb]
What's in the Box
  Included in Package 1 - HDMI over CAT6 transmitter
    1 - HDMI over CAT6 receiver
    1 - universal power adapter (NA/JP, EU, UK, ANZ)
    1 - IR blaster
    1 - IR receiver
    2 - mounting brackets
    8 - rubber feet
    1 - quick-start guide 

*Box quantity refers to the number of units contained in this product's outer packaging. It does not refer to the number of products purchased for the quoted unit price unless otherwise stated.

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