The ADNet ADP-HD-1139 is a specialized active adapter designed to solve a specific connectivity problem: connecting an HDMI source (like a laptop, console, or PC) to a DisplayPort monitor.
Unlike most cables that go from DisplayPort to HDMI, this cable works in the opposite direction, which requires internal chipset conversion.
Key Specifications
| Feature | Details |
| Model Number | ADP-HD-1139 |
| Direction | HDMI (Source) to DisplayPort (Monitor/Display) |
| Max Resolution | 4K (3840 x 2160) @ 60Hz |
| Length | 20 cm (Approx. 8 inches) |
| Connector A | HDMI Male (Input) |
| Connector B | DisplayPort Female (Output) |
| Power | USB-powered (usually includes a small USB tail for extra power) |
## Core Features
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Active Conversion: This isn’t just a pin-to-pin wire. It uses an internal chip to convert the HDMI signal into a format the DisplayPort monitor can understand.
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High Fidelity: Supports 4K @ 60Hz, ensuring smooth motion for gaming or high-definition video editing. It is also backwards compatible with 1080p and 1440p resolutions.
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Plug & Play: No drivers are required for Windows, macOS, or Linux.
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Audio Support: Passes high-definition digital audio signals to your monitor if the display has built-in speakers or an audio-out jack.
Important Usage Notes
Crucial Compatibility Tip: This cable is NOT bi-directional.
Works: Laptop (HDMI) $\rightarrow$ Monitor (DisplayPort)
Will NOT Work: PC (DisplayPort) $\rightarrow$ TV (HDMI)
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Power Supply: Because converting HDMI to DP is power-intensive, you must plug in the attached USB cable to a port on your computer or a wall charger to ensure the signal remains stable and doesn’t flicker.
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DP Cable Required: Since the adapter ends in a DisplayPort Female port, you will still need a standard DisplayPort-to-DisplayPort cable to complete the connection to your monitor.
PRIME 4K HDMI Cable 2.0v, 1.5 Meter ADP-HD-1201






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