Description
The 12G-SDI 1x4 4K Video Distribution Amplifier is a state-of-the-art, broadcast-grade signal splitter engineered for high-bandwidth 4K Ultra HD video workflows.
Built on a pure hardware architecture, it effortlessly takes a single 12G-SDI video input and distributes it into four identical, fully synchronized 12G-SDI outputs without signal loss or degradation.
Equipped with an advanced re-clocking chip, long-distance adaptive cable equalization, and signal amplification, this unit ensures pristine signal integrity for UHD video up to 100 meters (328 ft).
It supports resolutions up to 4K@60Hz (2160p60) and is backward compatible with all standard 3G/HD/SD-SDI formats. Designed for maximum reliability and scalability, it operates as a compact standalone box or can be deployed in high-density 1U/2U rackmount setups (supporting 4x16 and 8x32 configurations).
Product Interface
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Video input: 3GSDI * 1 Video output: 3GSDI*4 Power input: DC 12V 1A |
Key Features
- 1-in-4-out 12G-SDI Distribution: Splits 1-channel 12G-SDI input into 4 identical 12G-SDI outputs with zero latency.
- Ultra HD 4K@60Hz Resolution: Fully compliant with SMPTE ST-2081 and ST-2082 standards, supporting resolutions up to 2160p60 with YUV 4:4:4 / YUV 4:2:2 color space.
- Signal Amplification & Re-Clocking: Built-in SDI re-clocking and automatic cable equalization preserve signal quality and enable stable transmission up to 100 meters.
- High-Density Rackmount Scalability: Works seamlessly as a portable desktop unit or in centralized 1U/2U rackmount chassis for 4-in-16-out or 8-in-32-out installations.
- Embedded Audio & ASI Support: Fully transparent pass-through for embedded SDI audio, precise audio-video lip-sync, and ASI-SDI signal distribution.
- Plug & Play / Wide Power Supply: Pure hardware architecture (driver-free) with hot-swapping support and DC 5V–12V wide voltage compatibility.
Target Applications
Tailored for demanding, high-performance visual environments:
- Broadcast & Live Production: 4K NLE editing suites, 4K broadcast studios, master control rooms, and OB vans (outside broadcast trucks).
- 4K Pro AV & Staging: Large-scale 4K display walls, digital signage, live concerts, and AV entertainment hubs.
- Medical & Surveillance: High-definition 4K medical imaging, surgical teaching, and mission-critical security control centers.
Technical Specifications
| Parameter | Specification |
| Input Interface | 1 × 12G/3G/HD/SD-SDI (BNC Female, 75Ω) |
| Output Interfaces | 4 × 12G/3G/HD/SD-SDI (BNC Female, 75Ω) |
| Input Resolution | 480i@60Hz ~ 2160p@60Hz (Auto-adaptive) |
| Output Resolutions | • 4K UHD: 2160p @ 30/60Hz • HD: 1080p @ 30/50/60Hz | 1080i @ 50/60Hz | 720p @ 30/60Hz • SD: 480i @ 60Hz | 576i @ 60Hz |
| SDI Standards | SMPTE 259M, SMPTE 292M, SMPTE 424M, SMPTE ST-2081, SMPTE ST-2082 |
| SDI Data Rate | 1.485 Gbps ~ 12 Gbps |
| Color Space & Jitter | YUV 4:2:2 / YUV 4:4:4 | Jitter ≤ 0.2 UI |
| Rise / Fall Time | < 40 ps |
| Signal Level & Return Loss | 380 mVp-p (Nominal) | Return Loss > 10 dB |
| Audio Support | Embedded SDI Audio Pass-through (48 kHz Sampling Rate) |
| Max Transmission Distance | Up to 100 meters / 328 feet |
| Power Supply | DC 5V ~ 12V Wide Voltage (Standard DC 12V/1A) |
| Power Consumption | 2W (Max) |
| Operating Temp / Humidity | 0°C ~ +50°C | 20% ~ 70% RH (Non-condensing) |
| Storage Temp / Humidity | -20°C ~ +70°C | 0% ~ 90% RH (Non-condensing) |
| Dimensions (L × W × H) | 110 × 106 × 24 mm |
| Weight | • Net Weight: 0.35 kg (0.77 lbs) • Gross Weight: 0.70 kg (1.54 lbs) |
Connection Diagram
