HD 20KM HDMI Fiber Extender – Transmitter & Receiver with KVM and IR
1. Product Overview
The HD 20KM HDMI Fiber Extender is a professional-grade transmission solution designed to overcome the distance limitations of traditional copper HDMI cables. By converting HDMI signals into optical data, this extender delivers uncompressed, high-definition video, audio, USB KVM signals, and IR control commands over a single fiber optic cable for up to 20 kilometers (12.4 miles).
Encased in a durable metal housing and compliant with RoHS standards, this device ensures stable, secure, and interference-free performance in demanding environments such as broadcast studios, data centers, security control rooms, and large-scale digital signage networks.
2. The Problem It Solves
Standard HDMI cables are limited to roughly 15 meters (50 feet) before signal degradation occurs—resulting in flickering, color distortion, or complete dropouts. Wireless solutions are prone to interference and physical obstructions.
This extender eliminates those issues entirely by leveraging fiber-optic light transmission, which is:
- Immune to electromagnetic interference (EMI)
- Capable of kilometer-range transmission without signal loss
- Secure against eavesdropping, making it ideal for sensitive installations
3. Key Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | 20KM HDMI Fiber Extender (Transmitter + Receiver) |
| Material | Robust Metal Casing (White) |
| Place of Origin | Guangdong, China |
| Certification | RoHS Compliant |
| Input Voltage | AC 220V |
| Max Transmission Distance | 20 KM (Single Fiber) |
| Supported Resolutions | Up to 4K@30Hz / 1920x1080P@60Hz |
| HDMI Compliance | HDMI 1.3, HDCP 1.2 |
| Audio Output | Digital Audio Coaxial |
| IR Frequency Range | 20KHz ~ 60KHz |
| USB Support | Keyboard & Mouse (KVM) |
| Special Features | ESD Protection, Auto-Match System |
| Package Type | Color Box |
4. Core Features Breakdown
4.1 Ultra-Long Distance Transmission
Supports HDMI signal extension up to 20 kilometers over a single fiber optic core. For 4K@30Hz content, the extender maintains high fidelity, ensuring crystal-clear imaging even at maximum range (optional models available for different resolution tiers).
4.2 Integrated KVM Functionality
The built-in USB ports allow direct connection of a keyboard and mouse at the receiver end. This enables operators to control a remote computer or media server located 20KM away—as if they were sitting right in front of it. Essential for server management, traffic control, and industrial automation.
4.3 Bi-Directional IR Control
Supports IR signal transmission (20KHz–60KHz), allowing you to remotely control source devices such as Blu-ray players, set-top boxes, or satellite receivers from the display location. No more walking back and forth to change channels or adjust playback.
4.4 Digital Audio Support
Equipped with a Digital Audio Coaxial output, the extender extracts embedded audio for connection to external sound systems. An optional model also supports independent one-way audio input/output for advanced audio integration.
4.5 Network Distribution Capability
Supports TCP/IP protocols, allowing one transmitter to connect to multiple receivers via an optical fiber splitter or switch. This enables cost-effective, centralized content distribution across multiple screens.
4.6 Smart & Durable Design
- Auto-Match System: Automatically negotiates the optimal settings between source and display for smooth, stable images.
- ESD Protection: Built-in electrostatic discharge safeguards protect against voltage spikes.
- Plug-and-Play: No complicated configuration required—simply connect and power on.
5. Use Cases / Application Scenarios
| Industry | Application |
|---|---|
| Broadcasting & Live Events | Connect stadium cameras to production switchers over long distances without latency. |
| Security & Surveillance | Place PTZ cameras up to 20KM from the monitoring center for centralized security. |
| Data Centers & IT | Manage remote servers using KVM, reducing physical access risks. |
| Digital Signage | Control screens across airports, malls, and train stations from a single source. |
| Medical & Education | Transmit 4K surgical footage from operating theaters to lecture halls in real-time. |
| Smart Homes / Commercial AV | Distribute content to remote projectors or displays without cable clutter. |
6. Frequently Asked Questions (FAQ)
Q1: What is the actual maximum distance for 4K signals? A: The unit is rated for 20KM. For 4K@30Hz, performance depends on fiber quality; standard single-mode fiber supports this distance reliably. For 1080P@60Hz, full 20KM is guaranteed.
Q2: Does the KVM function require driver installation? A: No. The KVM is hardware-based and fully plug-and-play. Connect your USB keyboard and mouse to the receiver unit, and they will control the host computer immediately.
Q3: What type of fiber cable do I need? A: This extender uses a standard single-fiber connection with SC/UPC connectors. It is compatible with most common single-mode fiber optic cables.
Q4: What can the IR extension do for me? A: It allows you to control the source device (e.g., changing channels or play/pause functions) from the remote location, saving you the trouble of physically accessing the transmitter area.
Q5: What does RoHS certification mean? A: RoHS (Restriction of Hazardous Substances) ensures the product is manufactured with environmentally safe materials, containing minimal lead, mercury, and other harmful chemicals.
Q6: Can I connect multiple displays to one transmitter? A: Yes. By using a fiber optic splitter or switch, you can achieve a one-to-many distribution setup (TX to multiple RX units) over the network.
Packing Including：
- 1× HDMI Fiber Transmitter
- 1× HDMI Fiber Receiver
- 1× Power Adapter (AC 220V)
- 1× IR Emitter & 1× IR Receiver Cable
- 1× USB Cable
- User Manual (Color Box Packaging)
