E-link China Technology Co., Ltd.
E-link China Technology Co.,Ltd. Professional Fiber Optical Communication and CCTV Security Transmission Product Manufacturer
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Mini 4K HDMI Fiber Extender with RS232 & External Audio
Overview
The LNK-MHRA4K Series 4K HDMI Fiber Extender delivers uncompressed, lossless HDMI 1.4a,
RS232, and stereo audio signals over optical fiber up to 80km, supporting 4K@60Hz (YUV 4:2:0)
resolution. The transmitter converts HDMI into a 10Gb/s fiber optic signal, while the receiver restores it
for seamless output. RoHS-compliant and interference-resistant, it’s perfect for large-screen displays,
conferencing systems, and home entertainment.
Features
Uncompressed transmission, No delay, No losses
Supports All Modes up to maximum 4K*2K@60Hz, YUV 4:2:0
Miniature form factor for ease of use and installation
Hot-Pluggable, EMI/RFI Resistant
Panel Information
Application
Technical Indexes
| Type of Extender | Fiber Transmitter for HDMI signal over Optical Fiber Cable |
| Input Signals | HDMI |
| Connector | Female HDMI type A |
| Signal Support | HDMI 1.4a HDMI format standard and HDCP compliant |
| Video Support | Up to 720P/960P/1080p@60Hz, 4K*2K@30Hz |
| Audio Support | Dolby TrueHD, Dolby Digital Plus, DTS, DTS-ES 6.1, DTSHD, DTS-HD-HRA, DTS-HD Master, (PCM-2CH) |
| Chroma Subsampling | Max 3840*2160@60Hz (4:2:0) Max 3840*2160@30Hz (4:4:4, 4:2:2) |
| EDID | Bi-Directional (Forward + Backward) Transmission: Support Dynamic EDID, Plug & Play, no need to learn Single-Directional (Forward) Transmission: Support EDID learning manually |
| Audio Interface | 3.5MM external stereo audio |
| RS232 | 3 Pin terminal, Baud rate ≤ 38400 |
| Fiber Connector | SFP/LC |
| Bandwidth | 10.2Gbps |
| Transmission Distance | 300m (Over OM3 Fiber) |
| Up to 80km (Over Single-mode Fiber) | |
| Operating Temperature | -10 to + 50°C |
| Storage Temperature | -20 to + 80°C |
| Humidity | 5% to 90% RH (non-condensing) |
| MTBF | 100,000 hours |
| Dimension (WxDxH) | 2.87 x 1.73 x 0.69in (73x44x17mm) |
| Weight | 60g / 0.13 lb |
| Power Supply | 5V DC, USB Typ-C |
| Power dissipation | <5W |
| Safety Approvals | CE, FCC, Rohs |
Ordering Information
| Model | Description |
| LNK-MHRA4K-MM | Mini HDMI Fiber Extender: 1Ch HDMI Signal(4K*2K) + 1Ch Stereo Audio + Backwards RS232, OM3 Multi-mode Fiber, 300 meters, LC, including 1 transmitter & 1 receiver, 5V DC Type-C Power Input |
| LNK-MHRA4K-S20 | Mini HDMI Fiber Extender: 1Ch HDMI Signal(4K*2K) + 1Ch Stereo Audio + Backwards RS232, Single-mode Fiber, 20km, LC, including 1 transmitter & 1 receiver, 5V DC Type-C Power Input |
| LNK-MHRA4K-S40 | Mini HDMI Fiber Extender: 1Ch HDMI Signal(4K*2K) + 1Ch Stereo Audio + Backwards RS232, Single-mode Fiber, 40km, LC, including 1 transmitter & 1 receiver, 5V DC Type-C Power Input |
| LNK-MHRA4K-S80 | Mini HDMI Fiber Extender: 1Ch HDMI Signal(4K*2K) + 1Ch Stereo Audio + Backwards RS232, Single-mode Fiber, 80km, LC, including 1 transmitter & 1 receiver, 5V DC Type-C Power Input |