AJA FiDO 4 Channel ST Fiber to 3G-SDI Mini Converter

SKU: AJFIDO4RST MFR: FIDO-4R-ST
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Key Features

  • Effortlessly convert ST Fiber to 3G-SDI with this reliable AJA mini converter.
  • Ensure top-notch image quality with auto-select formats up to 3Gb for SDI video.
  • Extend your video reach up to 140m at 3Gb with dependable cable equalization.
  • Enjoy a stable broadcast with >15dB return loss, minimizing signal disruptions.
  • Simplify setup with included power supply and rack mount for broadcast equipment.
  • Trust in AJA's 5-year warranty, securing your wireless video transmitter investment.
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Special Order?Estimated to Ship: 09/15/2025
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AJA FiDO Specifications

  • Formats

    3Gb, 1.5Gb, 270Mb, Auto Select

  • Video Inputs and Outputs

    SDI (SMPTE 259/292/424), BNC
    4x Single mode optical fiber, ST connectors

  • Cable Equalization(BNC Inputs,1694 coax)

    270mb, 400m / 1312.34'
    1.5Gb, 200m / 656.17'
    3Gb, 140m / 459.32'

  • Input/Output Return Loss (BNC)

    >15db, 270Mb - 3Gb

  • Optical Outputs

    Wavelength: 13 10 nm
    Output Power: -2dBm typical

  • Power

    4.0 watts
    Requires Power Supply (AJA power supply model DWP-U-R1 included)

  • Dimensions / Size

    4.6 x 4.10 x 0.92" / 11.68 x 10.41 x 2.34cm

  • UPC Code

    892448000786

About AJA FiDO

FiDO is a family of SDI/Optical Fiber converters. FiDO allows the transport of SDI, HD-SDI and 3G SDI over distances up to 10km using standard single- mode fiber optic cable, with your choice of LC, ST or SC connectors, depending on the converter model. FiDO converters meet all relevant SMPTE specifications and are rugged, versatile and suitable for indoor or outdoor use.

With 9 models, FiDO offers unmatched flexibility and cost efficiency. FiDO dual channel models allow the conversion of 2 channels - perfect for 3D, dual- link SDI or 2 completely independent SDI channels (for example, SD, HD and 3G can be mixed in any combination). Also, FiDO converters offer electrical isolation useful for eliminating ground loop problems.
FiDO converters come in a compact, low-profile enclosure for use in tight spaces around and behind equipment racks, trucks and crowded facilities.

• Transport of SDI, HD-SDI and 3G HD-SDI over single mode optical fiber
• Auto-detection of video format
• All SDI Ancillary data including embedded audio is passed
• LC, ST OR SC fiber connectors
• Simplex or Duplex models available
• All inputs, either SDI or fiber, are equalized and re-clocked
• ASI compatible
• Useful for eliminating ground loop problems 5-20VDC power supply (included)

Universal Power Supply
All AJA Mini-Converters ship with a Universal Power Supply that includes international plug connections for use around the world.

Compact and Portable
AJA Mini-Converters are small enough to fit behind a monitor, in the back of a rack or directly on a camera rig. A locking power connector can't accidentally pull loose and an optional P-TAP power cable allows for battery power in remote locations

AJA Quality - Guaranteed
All AJA Mini-Converters are covered by a 5-year warranty and AJA's advanced replacement policy. If a replacement is necessary, AJA will ship a new unit immediately without the need to send the original unit back first, ensuring you are up and running again as quickly as possible.

AJA Mini-Matrix
Information on the complete line of AJA Mini-Converters is now available as a mobile app on iOS. The Mini-Converter product line is extensive and this app helps you find the right converter for any situation, wherever you are Individual products have links back to the main AJA website for more details and you can email product information directly from the app. The free AJA Mini Matrix app for iPad and iPhone is available now in the Apple iTunes Store.

Warranty Information

This product has a limited warranty of 60 months.

Product Documents

User Manual

Key Features

  • Effortlessly convert ST Fiber to 3G-SDI with this reliable AJA mini converter.
  • Ensure top-notch image quality with auto-select formats up to 3Gb for SDI video.
  • Extend your video reach up to 140m at 3Gb with dependable cable equalization.
  • Enjoy a stable broadcast with >15dB return loss, minimizing signal disruptions.
  • Simplify setup with included power supply and rack mount for broadcast equipment.
  • Trust in AJA's 5-year warranty, securing your wireless video transmitter investment.

What's in the box:

  • AJA FiDO 4 Channel ST Fiber to 3G-SDI Mini Converter
  • DWP-U-R1 Universal Power Supply
  • Rack Mount Bracket
  • 4 Pin XLR Power Cable
  • AJA 5 Year Limited Warranty