| Product Type | HDBaseT HDMI Extender and Splitter |
| Form Factor | External Box |
| Enclosure Color | Black |
| Power Requirements | 12V DC, 3A |
| Weight | 0.64 kg |
| Mounting Type | Wall or Shelf Mountable |
| Included Accessories | Power adapter, mounting brackets |
| Warranty | 2 Years |
StarTech 3-Port 4K HDBaseT HDMI Extender Over CAT5/CAT6 - ST124HDBT

Key Benefits
Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Ideal for digital signage and multi-display AV setups requiring up to three 4K UHD outputs
- Leverages existing Ethernet infrastructure (Cat 5e or better), reducing cabling costs and installation complexity
- TAA compliance and reliable 2-year support make it suitable for government and enterprise deployments
Product Overview
Distribute your HDMI source to three remote displays over standard CAT5 CAT6 or CAT7 cable - HDMI splitter - 4K digital signage distribution - HDMI extender - HDBaseT extender - 1x3 HDMI extender - Mountable HDMI over CAT6 extender - HDBaseT splitterSpecifications
Product Overview
Wireless Features
| Wi-Fi Support |
Compliance & Origin
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| Certifications | CE, FCC, RoHS |
Advanced Security Features
| Content Protection | HDCP 1.4 |
| Signal Encryption | No encryption |
Interfaces
| Video Input Ports | 1 x HDMI |
| Video Output Ports | 3 x RJ-45 (HDBaseT) |
| HDMI Version | HDMI 1.4 |
| HDCP Support | Yes |
| EDID Management | Yes |
| Interface Type | HDBaseT over Cat5e/6/7 |
| Maximum Data Rate | 10.2 Gbps |
Physical & Environmental
| Width | 5.7 inch (145 mm) |
| Depth | 7.9 inch (200 mm) |
| Height | 1.2 inch (30 mm) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -10°C to 60°C (14°F to 140°F) |
| Operating Humidity | 10% to 85% RH, non-condensing |
| Storage Humidity | 5% to 90% RH, non-condensing |
| Housing Material | Aluminum |
Cloud Management & Licensing
| Cloud Management | |
| Licensing Requirements | None |
Additional Features
| Splitter Functionality | 1x3 HDMI over HDBaseT Splitter |
| Distance - 4K Resolution | Up to 35 m (115 ft) |
| Distance - 1080p Resolution | Up to 70 m (230 ft) |
| Supported Resolutions | 4K @30Hz, 1080p @60Hz |
| Cable Type Required | Cat5e or better (UTP/STP) |
| Plug-and-Play | Yes |
| Audio Support | Yes - Dolby TrueHD, DTS-HD Master Audio |
| LED Indicators | Power, Link/Activity |