HDMI over CAT5 HDBaseT Extender - Power over Cable Part number: V240074
Manufacturer product ID: ST121HDBT5
UPC Code: UPC65030855006
Box quantity: 0*
Sub-category: Components
Weight (Kg): 1.64
Warranty period: 24 Months
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FULL TITLE - HDMI over CAT5 HDBaseT Extender - Power over Cable - IR - RS232 - 10/100 Ethernet - Ultra HD 4K - 330 ft (100m)

  • Save cost by extending HDMI, Ethernet, RS-232, IR, and Power over a single Cat5 cable, using HDBaseT technology
  • Astonishing picture quality with support for UHD 4K resolutions at up to 115 ft. (35 m)
  • Supports HD 1080p resolutions at up to 330 ft. (100 m)

The HDBaseT Extender Kit, extends HDMI up to 330 feet (100 Meters) over a single CAT5e or CAT6 cable. The extender supports Ultra HD and Full HD resolutions (4K / 1080p) with support for 3D and the accompanying 7.1 digital audio. For added versatility, both the transmitter and receiver can be powered from one power source using Power Over Cable (POC). The versatility of this video extender makes it an ideal solution for digital signage applications in large buildings such as commercial shopping centers, stadiums, schools, and hospitals.

What is HDBaseT?

HDBaseT is a standardized, zero latency, video distribution technology that’s revolutionizing HDMI distribution. HDBaseT uses an advanced method of modulation that enables you to distribute uncompressed HDMI audio and video along with additional signals such as 100BaseT Ethernet, IR, RS-232 serial and power over cable.

HDBaseT logo

Extend More than Video with HDBaseT

The extender offers HDBaseT technology with HDMI, IR, RS232, Ethernet, and power in a single extender kit, for complete end-to-end control. Offering greater versatility than traditional HDMI extenders or HDMI cabling alone HDBaseT is the clear choice for every integrator and system designer. The IR extension enables you to operate your display and an IR-enabled source device, such as a Blu-ray player or TV Set top box, from either end of your extension. RS232 control let you to connect a serial I/O device at your display - an ideal solution for adding a serial touch screen interface to your remote display for interactive digital signage presentations. While the built-in 6-Port Ethernet hub lets you connect 5 IP devices to your network (3 remote, 2 local).

Astonishing Picture Quality at 295 Feet Away

With the A/V industry adopting 4K as its new high-resolution standard, long-range video distribution can be difficult, especially considering the 4K distance limitations on standard HDMI cables. You’ll be amazed at how this HDBase-T extender kit can deliver your 4K video signal at up to 295 ft. away from your video source.

The extender kit is also backward compatible with 1080p at 330 feet (100 m), so you can comfortably use it to make any video source look great.

Hassle-free, Professional Installation with a Single Cable

This extender has been specially crafted for a smooth, tidy setup. HDBaseT technology allows for single cable installation, for seamless integration using existing CAT5e or CAT6 infrastructure, avoiding the hassle of running multiple cables, while reducing potential failure points. Plus, the added benefit of power over cable means you’ll only need one power source to power both your extender and receiver, great for extending to areas where power outlets may be limited. Mounting hardware is also included for both the extender and receiver for discrete, professional mounting.

The ST121HDBT5 is TAA compliant and backed by a 2-year warranty with free lifetime technical support.


  Audio Yes
  Cabling Cat 5 UTP or better
  Daisy-Chain No
  Ports 1
  Rack-Mountable Yes
  Audio Specifications 7.1 Surround Sound
  Max Distance 100 m / 330 ft
  Maximum Cable Length 100 m [328 ft]
  Maximum Digital Resolutions 4096 x 2160 (4K) @ 30 Hz (35 meters)
1920 x 1080 (1080p) @ 60 Hz (100 meters)
  Supported Resolutions 3840x2160 (4K)
1920x1080 (1080p)
1280x720 (720p)
  Wide Screen Supported Yes
  Local Unit Connectors 1 - HDMI (19 pin)
    1 - RJ-45
    1 - DB-9 (9 pin, D-Sub)
    2 - IrDA (Infrared, SIR/FIR)
    3 - RJ-45
  Remote Unit Connectors 1 - HDMI (19 pin)
    1 - RJ-45
    1 - DB-9 (9 pin, D-Sub)
    2 - IrDA (Infrared, SIR/FIR)
    3 - RJ-45
  LED Indicators 1 - Status LED
    3 - LAN Activity LEDs
  Input Current 0.5 A
  Input Voltage 100 - 240 AC
  Output Current 1.5 A
  Output Voltage 12 DC
  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 3.7 cm [1.5 in]
  Product Length 13.9 cm [5.5 in]
  Product Width 89 mm [3.5 in]
  Weight of Product 859 g [30.3 oz]
Packaging Information
  Package Height 74 mm [2.9 in]
  Package Length 31.3 cm [12.3 in]
  Package Width 17.9 cm [7 in]
  Shipping (Package) Weight 1.6 kg [3.6 lb]
What's in the Box
  Included in Package 1 - HDMI extender
    1 - HDMI receiver
    1 - IR sensor kit (transmitter cable & receiver cable)
    1 - CAT5 cable
    2 - grounding wires
    2 - mounting brackets
    2 - foot pad sets
    1 - universal power adapter (NA, EU, UK, AU)
    1 - instruction manual 

*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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