3G-SDI (Bi-directional) over one Fiber 1 channel bi-directional 3G-SDI video over single mode 20km

Its key advantages include long-distance reach, strong anti-interference, and signal stability, making it ideal for broadcast, medical, military, and surveillance use. Features include jitter reduction, cable equalization, and pathological signal support ensure reliable performance in complex environments.

Built for flexibility and durability, the device uses a modular design with ST/PC fiber connectors and industrial-grade components. With a rugged aluminum housing, wide temperature tolerance, and safety protections, it delivers consistent performance in demanding conditions.

Supported SDI Standard List

Summary:

The F-SDI-3G-B-TX/RX stands out from competitors primarily due to its true broadcast-grade quality and use of pure hardware architecture. While many similar converters on the market rely on software-based processing, which can introduce latency or compatibility issues, this unit offers zero-compression, zero-delay transmission with superior signal integrity. Its full compliance with SMPTE standards (including 424M for 3G-SDI) ensures that it works seamlessly with professional video equipment, and its ability to handle pathological test patterns gives it an edge in environments where signal reliability is non-negotiable.

Another key advantage is its longer transmission range and versatility. Many competing SDI-to-fiber converters are limited to shorter distances or require dual fibers for bidirectional communication. The F-SDI-3G-B-TX/RX supports bidirectional video over a single fiber up to 20 kilometers without repeaters, reducing installation complexity and cost. It also supports CWDM (Coarse Wavelength Division Multiplexing), allowing for scalable multi-channel setups—something not typically available in entry-level or mid-range devices.

Additionally, its rugged industrial design and modular flexibility provide significant operational benefits over competing products. Combined with robust safety features, extreme temperature tolerance, and plug-and-play ease of use, the F-SDI-3G-B-TX/RX delivers a professional-grade solution that goes well beyond the capabilities of typical SDI fiber converters.

• DVB-ASI, SMPTE424M, SMPTE292M, and SMPTE259M (C) standards;
• 1ms delay
• APC circuit, constant output optical power, wide dynamic range
• Optical CWDM multiplexing  technology achieve instant Bi-Directional signal transmission at the same time
• It can handle distortion very well
• Industrial grade design, modular design makes the equipment reliable and flexible
• Single multi, distance of up to 20 kilometers
• Support for pathological signal
• Equalizer signal; it will truly reflect the design state of the equalizer.
• Effectively balance and process the coaxial cable signals of different distances within a certain range to ensure the integrity of the signals
• Plug and play, no setup required
• Sold as a set. Note that devices are distinguished between transmitter and receiver

F-SDI-3G-B-TX/RX – Bi-Directional 3G-SDI over one fiber – 20 km
F-SDI-3G-B-TX/RX-40 – Bi-Directional 3G-SDI over one fiber – 40 km
F-SDI-3G-B-TX/RX-80 – Bi-Directional 3G-SDI over one fiber – 80 km