4-Channel 3G-SDI to Single-Mode LC
Fiber Transmitter (CDWM)*

FiDO-4T-X offers unmatched flexibility and cost efficiency for SDI-Fiber conversion, allowing for long cable runs up to 10 km (32,808 ft) with electrical isolation - useful for eliminating ground loop problems.

FiDO converters use a compact, low-profile enclosure that works well in tight spaces around and behind equipment racks, trucks and on camera.

$1295 US MSRP*

* Pricing is for US only. International pricing will vary.


4-Channel 3G-SDI to Single-Mode LC Fiber Transmitter for CWDM SFPs

  • 4 simplex or 2 duplex output connections (LC connector)
  • 4 independent channels of 3G/HD/SD-SDI input
  • 4K/UltraHD-SDI over 4 fiber links
  • Uses 5-20VDC power (DWP-U-R1 universal power supply included)
  • five year warranty

Supported Wavelength Pairs

Each AJA CWDM transmitter* supports two individual wavelengths,
as shown in the chart below:

Wavelength #1

Wavelength #2

1271 nm

1291 nm

1311 nm

1331 nm

1351 nm

1371 nm

1391 nm

1411 nm

1431 nm

1451 nm

1471 nm

1491 nm

1511 nm

1531 nm

1551 nm

1571 nm

1591 nm

1611 nm


*FiDO-4T-X's price reflects base unit without SFP. CWDM SFPs are $695 US MSRP.  Please specify wavelength needs when ordering

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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 five 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.


Download from the App Store