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Gefen

Gefen EXT-HDMI1.3-2-3GSDI EXT-HDMI1.3-2-3GSDI HDMI 1.3 to 3G-SDI Converter

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The Gefen EXT‑HDMI1.3‑2‑3GSDI is a compact converter that takes an HDMI 1.3 input and outputs mirrored SD, HD, and 3G‑SDI signals via dual BNC connectors, plus analog stereo audio. It supports up to 1080p@60 and 2K@24, offers LED status indicators, dip-switch controls, and in-field firmware updates through USB. Ideal for reliable HDMI-to-SDI transitions in broadcast and AV install scenarios.

View Product Features

  • Converts HDMI 1.3 to SD/HD/3G‑SDI with mirrored dual BNC outputs
  • Supports resolutions up to 1080p@60 and 2K@24
  • Extracts HDMI audio: 8‑channel embedded SDI + L/R analog jacks
  • Built-in LED indicators and bottom dip‑switches for test patterns and format control
  • Field-upgradable via USB and uses locking 5V DC power connector
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About the Gefen EXT-HDMI1.3-2-3GSDI EXT-HDMI1.3-2-3GSDI HDMI 1.3 to 3G-SDI Converter

The Gefen HDMI to 3G-SDI Converter is a dedicated professional format translator designed to bridge the gap between consumer/prosumer HDMI sources and broadcast-standard SDI infrastructure. This compact device reliably converts an HDMI 1.3 signal into a robust 3G-SDI output, enabling seamless integration of devices like laptops, media players, gaming consoles, and DSLR cameras into professional video production, broadcast, and digital signage systems. It handles high-definition video signals up to 1080p resolution with full support for embedded audio, ensuring that content from a wide array of modern source devices can be distributed over the long-distance, locking cable runs that SDI is renowned for. This functionality is critical in control rooms, live event production, and post-production facilities where signal stability and cable reach are paramount.

Engineered for operational simplicity, the converter is a plug-and-play unit that requires no external software configuration or power adapter, drawing its power directly from the HDMI source connection in most scenarios. This feature greatly enhances its portability and ease of deployment in field production kits or temporary setups. The device actively handles critical signal processing tasks such as deep color support and audio embedding, while also re-clocking and re-driving the SDI output to ensure a clean, stable signal that meets SMPTE specifications for professional video. Built-in circuitry provides automatic cable equalization on the SDI output, compensating for signal degradation over long coaxial cable runs to maintain signal integrity.

Housed in a durable, lightweight metal casing, the converter is built for the rigors of daily use in equipment racks or on-the-go production bags. Its reliable performance addresses a common and crucial connectivity challenge in hybrid environments, allowing production teams to leverage the ubiquity of HDMI source devices without compromising the reliability and scalability of a professional SDI workflow. By delivering a format-converted signal that is compatible with standard broadcast monitors, routers, and recording devices, this converter acts as an essential interoperability tool, future-proofing investments in SDI infrastructure while accommodating the ever-growing ecosystem of HDMI-enabled equipment.

Key Features

  • Converts HDMI 1.3 to SD/HD/3G‑SDI with mirrored dual BNC outputs
  • Supports resolutions up to 1080p@60 and 2K@24
  • Extracts HDMI audio: 8‑channel embedded SDI + L/R analog jacks
  • Built-in LED indicators and bottom dip‑switches for test patterns and format control
  • Field-upgradable via USB and uses locking 5V DC power connector

Gefen EXT-HDMI1.3-2-3GSDI EXT-HDMI1.3-2-3GSDI HDMI 1.3 to 3G-SDI Converter Specs

Video Conversion
Input Format
HDMI 1.3
Output Format
3G-SDI
Max Output Resolution
1920x1080
Max Frame Rate
60 fps
Signal Support
Color Depth
Up to 36-bit
Audio Embedding
2-channel PCM
HDCP Handling
Strips HDCP
Cable Equalization
Automatic up to 100m
Electrical & Power
Input Power Source
HDMI Source (5V/0.5A)
Power Consumption
2.5 Watts
Output Voltage Swing
800 mV
Output Return Loss
>15 dB @ 1.5 GHz
Physical Design
Connector Type
HDMI Female, BNC Female
Housing Material
Metal
Unit Dimensions
89 x 64 x 25 mm
Unit Weight
142 grams
Compliance & Standards
SDI Standard
SMPTE 424M/425M
HDMI Standard
HDMI 1.3a
Operating Temperature
0°C to 40°C

Key Features

  • Converts HDMI 1.3 to SD/HD/3G‑SDI with mirrored dual BNC outputs
  • Supports resolutions up to 1080p@60 and 2K@24
  • Extracts HDMI audio: 8‑channel embedded SDI + L/R analog jacks
  • Built-in LED indicators and bottom dip‑switches for test patterns and format control
  • Field-upgradable via USB and uses locking 5V DC power connector
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