StarTech.com ST121HD20V - Extender - HDMI to CAT6 Converter
Features
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 Device
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.
Specifications
Technical Specifications
| Audio | Yes |
|---|---|
| AV Input | HDMI |
| AV Output | HDMI |
| Cabling | Cat 6 UTP |
| 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) @ 60 Hz |
| Supported Resolutions | 3840x2160 (4K) 60Hz2560x1600 60Hz1920x1200 60Hz1920x1080 (1080p) 60Hz1280x720 (720p) 60Hz**Lower resolutions and refresh rates, not stated but below the maximum, may also be supported |
| Wide Screen Supported | Yes |
| Connector A | 1 - HDMI (19 pin) Female1 - RJ-45 Female |
| Connector B | 1 - HDMI (19 pin) Female1 - RJ-45 Female |
| 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 |
| Humidity | 0% - 80 % RH (non-condensing) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -20°C to 60°C (4°F to 140°F) |
| Color | Black |
| Product Height | 0.5 in [1.3 cm] |
| Product Length | 3.8 in [97 mm] |
| Product Width | 2.8 in [70 mm] |
| Weight of Product | 5.5 oz [156 g] |
| Brand | StarTech.com |
|---|---|
| Product Type | TV & Home Theatre > AV Extenders & Transmitters |
| Weight | 0.349 kg |
| Warranty |
|---|
Note:
Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.
Shipping Information
- Free NZ-wide shipping on orders over $299
- Standard delivery 2–5 business days
- Rural delivery may take an additional 1–2 days
- Same-day dispatch for orders placed before 2pm (weekdays)
Returns Policy
- 7-day returns on unused items in original packaging
- Faulty or damaged products covered under warranty
- Contact our support team to initiate a return







