Startech
Startech Hdmi Over Cat6 Extender Kit - Supports Uhd - Resolutions Up To 4k 60hz - Supports Hdr And 4:4:4 Chroma Subsampling - Extended Hdmi Signal At Up To 165 Ft. [50 M] - Use Existing (229798)
- SKU:
- 18172799
- MPN:
- 229798
- Availability:
- Usually ships the same or next business day. In stock at our GA, IL, PA warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/11/2025 05:09:00 AM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 - 3 | and pay only $145.14 each 145.14 |
| Buy 4 - 8 | and pay only $141.91 each 141.91 |
| Buy 9 or above | and pay only $138.52 each 138.52 |
- Stock Update:
- 12/11/2025 05:09:00 AM PST
Description
This item is brand-new, factory sealed.
This HDMI over CAT6 extender lets you transmit your 4K 60Hz signal up to 165 ft. (50 m) over a single CAT6 cable. The extender supports High Dynamic Range (HDR), providing high contrast images with enhanced video.Astonishing 4K Picture Quality
This HDMI Ethernet extender supports a 4K 60Hz (3840 x 2160) resolution, providing four times the picture quality of high-definition (1080p). The extender supports HDMI 2.0 capabilities, offering 4:4:4 chroma subsampling. This ensures a crystal-clear picture that's ideal for delivering video content. With HDR support, you can enjoy increased contrast, color brightness and greater luminosity in your images.
Long-Distance Transmission
Extend an HDMI signal to up to 165 ft. (50 m) with the HDMI to CAT6 converter. Use your existing CAT6 cable infrastructure with a direct connection to the converter for an easy run through walls and ceilings, saving you on installation costs.
Compatible with HDCP 2.2 Devices
Connect your HDMI 2.0 devices and displays with confidence, knowing this extender is HDCP 2.2 compliant. This lets you harness the capabilities of HDMI-enabled devices such as Blu-ray players or online streaming devices in higher resolutions. It is also backward compatible with previous generations of HDMI and HDCP.
ST121HD20V is backed by 2-year StarTech.com warranty with free lifetime technical support.HARDWARE
Audio
Yes
AV Input
HDMI
AV Output
HDMI
Cabling
Cat 6 UTP
PERFORMANCE
Audio Specifications
7.1 Surround Sound
Max Distance
50 m / 165 ft
Maximum Cable Length
165 ft 50.3 m
Maximum Digital Resolutions
3840 x 2160 (4K) at 60 Hz
Supported Resolutions
3840x2160 (4K) 60Hz
2560x1600 60Hz
1920x1200 60Hz
1920x1080 (1080p) 60Hz
1280x720 (720p) 60Hz
(Lower resolutions and refresh rates, not stated but below the maximum, may also be supported)
Wide Screen Supported
Yes
CONNECTOR(S)
Connector A
1 - HDMI (19 pin) Female
1 - RJ-45 Female
Connector B
1 - HDMI (19 pin) Female
1 - RJ-45 Female
POWER
Center Tip Polarity
Positive
Input Current
0.3A
Input Voltage
110V-240V AC
Output Current
1A
Output Voltage
12 DC
Plug Type
M
Power Source
AC Adapter Included
ENVIRONMENTAL
Humidity
0% - 80 % RH (non-condensing)
Operating Temperature
0oC to 40oC (32oF to 104oF)
Storage Temperature
-20oC to 60oC (4oF to 140oF)
PHYSICAL CHARACTERISTICS
Color
Black
WHATS IN THE BOX
Included in Package
1 - HDMI over CAT6 Transmitter
1 - HDMI over CAT6 Receiver
1 - IR Blaster
1 - IR Receiver
2 - Universal Power Adapter (NA/JP, EU, UK, ANZ)
1 - Quick-Start Guide
Item Dimension ( L inchxW inchxH inch)
9 x 6 x 3Weight
2 lbWarranty Information
2 Year Warranty
Package Contents:
- 1 x HDMI over CAT6 Transmitter
- 1 x HDMI over CAT6 Receiver
- 1 x IR Blaster
- 1 x IR Receiver
- 1 x Universal Power Adapter (NA/JP, EU, UK, ANZ)
- 1 x Quick-Start Guide
Features
Package Contents:
Yes
China
- 1 x HDMI over CAT6 Transmitter
- 1 x HDMI over CAT6 Receiver
- 1 x IR Blaster
- 1 x IR Receiver
- 1 x Universal Power Adapter (NA/JP, EU, UK, ANZ)
- 1 x Quick-Start Guide
Environmentally Friendly:
Yes
Environmental Compliance:
Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)
Waste Electrical and Electronic Equipment Directive (WEEE)
Restriction of Hazardous Substances (RoHS)
Country of Origin:
China
Specs
| Physical Characteristics | |
| Product Color | Black |
| Color Family | Black |
| Warranty | |
| Limited Warranty | 2 Year |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| HDMI Out | Yes |
| Number of HDMI Inputs | 1 |
| HDMI In | Yes |
| Number of HDMI Outputs | 1 |
| Number of Network (RJ-45) Ports | 2 |
| Video | |
| Maximum Video Resolution | 3840 x 2160 |
| Graphics Modes | 4K |
| General Information | |
| Brand Name | StarTech.com |
| Manufacturer Website Address | http://www.startech.com |
| Marketing Information | This HDMI over CAT6 extender lets you transmit your 4K 60Hz signal up to 165 ft. (50 m) over a single CAT6 cable, with the added benefit of a local HDMI output. The extender supports High Dynamic Range (HDR), providing high contrast images with enhanced video. Astonishing 4K Picture Quality This HDMI Ethernet extender supports a 4K 60Hz (3840 x 2160) resolution, providing four times the picture quality of high-definition (1080p). The extender supports HDMI 2.0 capabilities, offering 4:4:4 chroma subsampling. This ensures a crystal-clear picture that's ideal for delivering video content. With HDR support, you can enjoy increased contrast, color brightness and greater luminosity in your images. Long-Distance Transmission Extend an HDMI signal to up to 165 ft. (50 m) with the HDMI to CAT6 converter. Use your existing CAT6 cable infrastructure with a direct connection to the converter for an easy run through walls and ceilings, saving you on installation costs. Compatible with HDCP 2.2 Devices Connect your HDMI 2.0 devices and displays with confidence, knowing this extender is HDCP 2.2 compliant. This lets you harness the capabilities of HDMI-enabled devices such as Blu-ray players or online streaming devices in higher resolutions. It is also backward compatible with previous generations of HDMI and HDCP. ST121HD20V is backed by 2-year StarTech.com warranty with free lifetime technical support. More from the Manufacturer More from the Manufacturer |
| Product Type | Video Extender Transmitter/Receiver |
| Product Name | HDMI over CAT6 Extender Kit - 4K 60Hz |
| Manufacturer | StarTech.com |
| Manufacturer Part Number | ST121HD20V |
| Packaged Quantity | 1 Kit |
| Media & Performance | |
| Twisted Pair Cable Standard | Category 6 |
| Media Type Supported | Twisted Pair |
| Technical Information | |
| Maximum Operating Distance | 164.04 ft |
| Number of Input Devices Supported | 1 |
| Connectivity Technology | Wired |
| Number of Output Devices Supported | 1 |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Startech Hdmi Over Cat6 Extender Kit - Supports Uhd - Resolutions Up To 4k 60hz - Supports Hdr And 4:4:4 Chroma Subsampling - Extended Hdmi Signal At Up To 165 Ft. [50 M] - Use Existing (229798)
$151.21