Mini HD-SDI Fiber Extender with Embedded Audio Up to 80km Range
Overview
The LNK-MHD Series Mini Fiber Extender enables reliable HD-SDI
video with embedded 8-channel
audio over single fiber. Supporting data rates up to 1.48Gbps, it
delivers uncompressed
broadcast-quality transmission across distances up to 80km. With
automatic reclocking, plug-and-play
design, and compact aluminum housing, it’s an ideal solution for
surveillance, broadcasting, and live
production in demanding environments.
Features
Transmits 1-channel HD-SDI video with 8-channel audio embedding
Supports SD-SDI (270Mbps) and HD-SDI (1.485Gbps) standards
Fiber reach up to 80km using simplex LC interface
Automatic cable equalization and reclocking for stable signals
Handles full broadcast-grade transmission without compression
Compatible with HD-SDI cameras and video systems
Hot-swappable, plug-and-play, no manual adjustments required
Compact aluminum casing for easy integration into devices
Industrial temperature range: -20℃ to +70℃ for harsh environments
Supports WDM/CWDM/DWDM for flexible network expansion
Technical Indexes
| Fiber Optical interface |
| Fiber interface | Simplex LC |
| Transmission distance | 550m-20Km |
| Wavelength | 1310nm/1550nm |
| Video |
| Video interface | BNC |
| Video input/output impedance | 75Ω |
| Video input/output voltage | Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp |
| Video Bits Rate | Max 1.48Gb/s |
| Differential gain (10%～90% APL) | <1% |
| SDI format support | 625/25 PAL |
| 525/29.97 NTSC, 525/23.98 NTSC |
| 720p50, 720p59.94 |
| 1080i 23/24/30/50/59.94 |
| Video SDI standard | 270Mbps (SD-SDI) |
| 1.485Gbps (HD-SDI) |
| Electrical |
| Power adaptor | 5V DC, Type-C Interface |
| Power consumption | <3W |
| LED Indicator |
| SDI | SDI video |
| P/T | Power Supply |
| Mechanical |
| Dimensions (LxWxH) | 79 x 27 x 18 mm |
| Weight | 0.5KG/pair |
| Casing | Aluminum Case |
| Mounting Options | Desktop |
| Environmental |
| Working Temperature | -20℃～+70℃ |
| Storage Temperature | -40℃～+80℃ |
| Operating humidity | 5%~90% non-condensing |
| Storage humidity | 5% ~ 90% non-condensing |
| MTBF | ≥100000 hours |
Ordering Information
| Model | Description |
| LNK-MHD-MM | Mini HD-SDI to Fiber Converter, MMF, LC Fiber Connector 500 meters,
including Transmitter and Receiver, used by pairs |
| LNK-MHD-20 | Mini HD-SDI to Fiber Converter, SMF, LC Fiber Connector 20KM,
including Transmitter and Receiver, used by pairs |
Application
