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Startech St121hdbtl Hdmi Over Cat5 Hdbaset Extender - 4k - PS2 - Cables - COMPUTER HARDWARE

Startech St121hdbtl Hdmi Over Cat5 Hdbaset Extender - 4k


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Retail Price $789
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SKU#: ST121HDBTL / ITEM NO: 569299 / BRAND: Startech
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HDMI over CAT5 Extender with IR and Serial - HDBaseT Extender - 4K - Extend HDMI over CAT6 or CAT5 cabling with RS232 serial and IR control
Startech St121hdbtl Hdmi Over Cat5 Hdbaset Extender - 4k


This HDBaseT™ extender kit can transmit your 4K HDMI signal up to  115 ft. (35 m) over a single CAT5e or CAT6 cable. At lower resolutions up to 1080p, the extender kit can transmit your signal up to 230 ft. (70 m).

Extend video and more with HDBaseT

The extender offers a complete end-to-end video and control solution, using HDBaseT technology to extend not just HDMI, but also DC power, IR and serial control over a single CAT5 cable. By extending so much over just one CAT5 or CAT6 cable, HDBaseT is the clear choice of every integrator and system designer.

The added benefit of power over cable means that you’ll only need one power source at one side of your extension - great for extending video and control to areas where power outlets may be limited, such as industrial sites.

Serial and IR extension optimizes operation by enabling you to control the video source or display from both the local and remote location.

Maximize reliability with HDBaseT certification

This HDBaseT extender has been certified via the HDBaseT Certification Program. This certification ensures the extender is compliant with HDBaseT technical standards, and maximizes reliability with your HDMI display and video source, by ensuring compliance with their established HDMI ecosystem.

Astonishing 4K picture quality at an impressive distance

With the A/V industry adopting 4K as the new high-resolution video standard, long-range video distribution can be a challenge over standard HDMI cables that become susceptible to signal degradation at 30 feet. This HDBaseT extender can maintain your Ultra HD 4K picture quality - four times the resolution of high-definition 1080p - even at 330 feet away from your video source. Plus, because the extender supports high-definition 1080p and lower resolutions, you can comfortably use this extender to make any video source look great, while future-proofing your setup for 4K implementation.

Professional installation

HDBaseT technology offers a single-cable installation, so you can integrate this solution seamlessly using your existing CAT5e or CAT6 infrastructure. Both the transmitter and receiver included with this HDBaseT extender kit are mountable, so you can keep the equipment out of sight in an equipment rack, or on a wall. This helps to reduce clutter and ensure a professional installation that doesn't draw your viewers' attention away from the content on your display. It’s perfect for customer-facing displays in bars, restaurants or hotel lobbies.

What is HDBaseT?

HDBaseT is a standardized, zero-latency video 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, over a single Ethernet cable.

Offering greater versatility than traditional HDMI extenders, and longer distances than HDMI cables alone, HDBaseT is the clear choice for every integrator and system designer. It can do so much, with just a single cable.

The ST121HDBTL is backed by a 2-year warranty and free lifetime technical support.

Note: When using Power over Cable (PoC) to power the transmitter or receiver, it is not recommended to pair the transmitter or receiver with any other HDBaseT hardware.  Power over Cable should only be used with the transmitter and receiver that are provided with this extender kit.


Extend video where power outlets are limited with HDBaseT offering power over cable that powers both the transmitter and receiver using a single power source at either side of the connection.

Place the display in a convenient viewing area, while the system equipment is placed elsewhere in a clean and secure environment.

Optimize placement of your demo stations at tradeshows and in auditoriums.



Audio Yes
Cabling Cat 5e UTP or better
Daisy-Chain Yes
Ports 1
Audio Specifications 7.1 Surround Sound
Max Distance 100 m / 330 ft
Maximum Cable Length 328 ft [100 m]
Maximum Digital Resolutions 4096 x 2160 (4K) @ 30 Hz (35 meters) 1920 x 1080 (1080p) @ 60 Hz (70 meters)
Supported Resolutions 3840x2160 (4K) 2560x1600 1920x1200 @ 60Hz 1920x1080 (1080p) 1280x720 (720p)
Wide Screen Supported Yes
Output Signal HDMI
Local Unit Connectors 1 - HDMI (19 pin) Female Input
  1 - DB 9-pin Serial Male
  1 - RJ-45 Female Output
  1 - 3.5 mm Mini-Jack (3 Position) Female
Connector B 1 - HDMI (19 pin) Female Output
  1 - DB 9-pin Serial Female
  1 - RJ-45 Female
  1 - 3.5 mm Mini-Jack (3 Position) Female
Special Notes / Requirements
Note If you want to add more displays,  you can daisy-chain this product with the HDBaseT repeater ST12HDBTRP.
LED Indicators 1 - status LED (transmitter)
  1 - status LED (receiver)
Center Tip Polarity Positive
Input Current 0.6 A
Input Voltage 100 ~ 240 AC
Output Current 1.5 A
Output Voltage 12 DC
Plug Type M
Power Consumption (In Watts) 18
Power Source AC Adapter Included
Humidity 0 ~ 80%
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 Steel and Plastic
Product Height 1.1 in [27 mm]
Product Length 3.6 in [92 mm]
Product Width 2.6 in [67 mm]
Product Weight 16 oz [452 g]
Packaging Information
Shipping (Package) Weight

2.4 lb [1.1 kg]

What's in the Box
Included in Package 1 - HDBaseT transmitter
  1 - HDBaseT receiver
  1 - universal power adapter (NA / EU / UK / ANZ)
  1 - mounting brackets
  1 - IR blaster
  2 - mounting brackets
  8 - foot pads
  1 - plastic screwdriver
  1 - quick start guide
Warranty Information
Warranty 2 Years

*Product appearance and specifications are subject to change without notice.

Brand StarTech
Manufacturer Warranty
2 Years Limited Warranty
Manufacturer Contact Info

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For IMMEDIATE customer service assistance or help with an order please call our Customer Service Team on: 02 9011 2078
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