Gefen GefenPRO 3G-SDI Fiber Optic Extender

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SD/HD/3G SDI Serial Digital Video Transport System over Fiber optic

The GefenPRO 3GSDI Fiber Optic Extender is a miniature serial digital video data transport system extending video over fiber optic cable supporting 1080p for 3G-SDI. It converts a one-channel SMPTE-424M 3G-SDI, SMPTE-292M HD, or SMPTE-259M serial digital video signal over extended distances up to 12 miles (20 km) using either single-mode or multi-mode fiber optic cable, terminated in ST.

How It Works

The Sender unit receives the SDI input signal from a compatible SD/HD/3G SDI source and converts the SMPTE-424M / 292M / 259M SDI signals to optical data. The Receiver unit converts the data to an SD/HD/3G SDI signal, which in turn connects to BNC connection point, or a display. Both Sender and Receiver units are powered by an external 5V locking power supply.


  • Extends SD/HD/3G-SDI up to 12 miles (20km)
  • Transports Multi-rate SDI Digital Video over one fiber cable
  • Supports SMPTE-424M (3G-SDI), SMPTE-292M (HD-SDI), or SMPTE-259M (SDl) specifications
  • Automatic Input Equalization
  • Automatic Output Clock Recovery
  • Latch-Locking Power Supplies
  • BNC and ST-type locking connectors
  • Robust metal die-casting enclosure for use in harsh environments


  • Input Impedance: 75 Ω
  • Data Rate: Up to 3.0 Gbps
  • Signal Level: 800mV p-p (± 50mV)
  • Optical Fiber Connector: ST terminated
  • Output Connector: BNC, female
  • Input Connector: BNC, female
  • Distance: Up to 12 miles (20 kilometers)
  • Propagation Delay (Sender): 1.5 ns
  • Propagation Delay (Receiver): 40 ns
  • Dimensions: 0.77"W x 0.77"H x 1.97"D
  • Power Supply: 5V DC, Locking
  • Power Consumption: 2.5 Watts (max.)
  • Power Budget: 16 dB
  • Operating Temperature: - 20 ~ 80 °C
  • Shipping Weight: 1.3 lbs

Package Includes:

  • (1) GefenPRO 3GSDI Fiber Optic Extender Sender Unit
  • (1) GefenPRO 3GSDI Fiber Optic Extender Receiver Unit
  • (2) 5V DC Locking Power Supplies
  • (1) User Manual

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