HDMI over CAT6 Extender Kit - 4K 60Hz - (ST121HD20V) only $157.87

MFG Part #: ST121HD20V | WEB ID: 2076995 HDMI over CAT6 Extender Kit - 4K 60Hz, AV transmitter & receiver, 3840 x 2160 pixels, Cat6, 50 m, 60 Hz, 7.1 channels HDMI over CAT6 Extender Kit - 4K 60Hz - HDMI Balun Kit - Signal up to 165 ft / 50m - HDR - 4:4:4 - 7.1 Audio Support

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Regular Price: $169.73

Sale Price $157.87

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Great service and very fast!
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Product Description

Details HDMI over CAT6 Extender Kit - 4K 60Hz. Type: AV transmitter & receiver, Maximum resolution: 3840 x 2160 pixels, Cable types supported: Cat6. Connectivity technology: Wired. AC input voltage: 100 - 240 V, Input current: 0.3 A, Operating voltage (transmitter): 12 V. Width: 70 mm, Depth: 97 mm, Height: 13 mm. Package width: 130 mm, Package depth: 220 mm, Package height: 70 mm
HDMI Balun Kit | HDR | 4:4:4 | 7.1 Audio Support | 165 ft. (50 m)

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 warranty with free lifetime technical support.

The Advantage

- Crystal-clear picture quality with support for resolutions up to 4K 60Hz
- Compatible with HDR and 4:4:4 chroma subsampling for lifelike images
- Hassle-free setup with long-distance transmission over a reliable connection
2 Years

Technical Information

Technical Information

Ports & interfaces

Connectivity technologyWired
RJ-45 input ports1
RJ-45 output ports1
HDMI in1
Number of HDMI outputs2
HDMI version2.0

Weight & dimensions

Width2.76 "
Depth3.82 "
Height0.51 "
Weight0.06 lbs


AC input voltage100 - 240 V
Input current0.3 A
Operating voltage (transmitter)12 V
Output current1 A
Operating voltage (receiver)12 V
Power plug typeType M

Operational conditions

Operating temperature (T-T)0 - 40 °C
Storage temperature (T-T)-20 - 60 °C
Operating relative humidity (H-H)0 - 80 %

Packaging data

Package width5.12 "
Package depth8.66 "
Package height2.76 "
Package weight0.07 lbs

Packaging content

Included power plug typesANZ,EU,JP,NA,UK
Quick start guideY
IR blaster includedY
IR receiver includedY


TypeAV transmitter & receiver
Maximum resolution3840 x 2160 pixels
Cable types supportedCat6
Maximum transfer distance50 m
Maximum refresh rate60 Hz
Audio output channels7.1 channels
Supported graphics resolutions1280 x 720 (HD 720),1920 x 1080 (HD 1080),1920 x 1200 (WUXGA),2560 x 1600 (WQXGA),3840 x 2160
HDCP version2.2
Product colourBlack
RoHS complianceY
CertificationCE, FCC, REACH


All products are protected by the Manufacturer’s warranty, unless otherwise specified. NCDS Canada guarantees that the products shipped to you are free of any defects; should your product be deemed defective we will happily exchange the item. If the item is no longer available, we will issue you a refund. Refurbished Products have a 30 day limited warranty, unless otherwise specified. For more information about product warranties, please see our Warranty Policy.