AV Scalers and Converters

This is a Special Order Item

EXT-3G-HD-C 3GSDI to HDMI Converter

Product Code: GE-X3GHDC

$689.00 inc GST
RRP $689.00
Limited Stock
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Unit of Measure
Refurbished Stock Available!
Refurbished Products In Stock
No refurbished products
3 Year
Technical Specifications
Brands Gefen
Input/output type 3G-SDI
Input/output type HDMI
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3GSDI to HDMI Converter


Converts 3G-SDI, Single-Link HD-SDI, and SD-SDI AV to HDMI

The Gefen EXT-3G-HD-C 3G-SDI to HDMI converter takes audio and video signal from SDI and converts it to HDMI, at resolutions up to 1080p Full HD. This converters supports 3G-SDI and single link HD-SDI sources with up to 8 channels of LPCM audio. The Gefen EXT-3G-HD-C's compact enclosure, while light enough to be held in place using double sided Velcro® tape, features an ISO standard 1/4-20 attachment provision as well as a detachable surface-mounting bracket. This, along with a flexible power input circuitry capable of accepting a wide range of DC voltages and a locking power supply connector, make the EXT-3G-HD-C ideal for cutting edge mobile A/V applications as well as high performance fixed installations.

Video Support
This converter supports input resolutions up to 1080P (1920 x 1080 at 60 Hz 10- Bit 4:4:4 (RGB or YCbCr) and output resolutions up to 1080p Full HD (1920 x 1080 at 60 Hz 10- Bit 4:4:4 (RGB or YCbCr).

Audio Support
The EXT-3GHD-C supports stereo and multuchannel audio up to LPCM 7.1

Syner-G Support
This product is fully compatible with the Gefen Syner-G™ software suite. The Gefen Syner-G™ is a powerful set of software tools specifically designed to help discover, configure/customize, manage, monitor, and upgrade Gefen products.

Gefen EXT-3G-HD-C Features at a Glance

  • Converts SDI to HDMI
  • Input resolutions up to 1080p60
  • Output resolutions up to 1080p Full HD
  • HDMI (YCbCr 4:4:4) or DVI (RGB 4:4:4) output modes
  • Supports 3G-SDI Levels A and B, Single-Link HD-SDI, and SD-SDI
  • Supports up to 10 bit color on input and output
  • Up to LPCM 7.1 audio support
  • Field configurable via DIP switch settings
  • Mini USB port for use with Gefen Syner-G™ for in-field firmware updates
  • Wide power supply operating range (6V to 24V DC)
  • Locking power supply connector
  • 1/4-20 industry-standard camera gear attachment thread on bottom
  • Surface-mountable using the included detachable bracket
Gefen EXT-3G-HD-C Specifications

Designed for Gefen Syner-G No
4K No

Shipping Info
Length 10.4 (Inches)
Width 6.9 (Inches)
Height 4 (Inches)
Weight 1.3 (Lbs)
UPC 888814668063

Other Specifications
Maximum Pixel Clock: 150 MHz
Maximum TMDS Clock: 225 MHz
Video Input Connector: (1) SDI BNC-type, female
Video Output Connector: (1) HDMI Type A 19-pin, female, locking
USB Connector: (1) Mini-B
Configuration Switches: (5) DIP-type
HDMI Indicator: (1) LED, green
Power Indicator: (1) LED, blue
Power Supply Connector: (1) 3-pin, locking
Power Supply: 12V DC nominal (6V to 24V DC operating range)
Power Consumption: 2W maximum
Operating Temperature: +32 to +122 °F (0 to +50 °C)
Operating Humidity: 5% to 90% RH, non-condensing
Storage Temperature: -4 to +185 °F (-20 to +85 °C)
Storage Humidity: 0% to 95% RH, non-condensing
MTBF: 50000 hours
Net Unit Weight: 0.3 lbs. (0.15kg)

In The Box
  • 3GSDI to HDMI Converter (EXT-3G-HD-C) x1
  • Surface Mounting Bracket x1
  • 12V DC Power Supply (EXT-PS121.5AIP-3P-6) x1
  • Quick-Start Guide (QSG-EXT-3G-HD-C) x1

Product Documents

No documents available

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All items purchased from Amber Technology will be covered under warranty. The duration and terms of this warranty are specified by the manufacturer unless otherwise stated. Warranty information is available on the individual product listings on this site.

Refurbished items will include a 12 month warranty unless otherwise stated.

Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us. 

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"Special Order” items are products that are not generally kept in stock in Australia. Lead times for Special Order items vary depending on country of origin, manufacturer’s stock levels, factory production schedules and/or incoming shipment transit times. Please contact us for an estimate as to the likely lead time.

Refurbished items

If refurbished stock is available, this will be shown on the summary page for the product. If a product listing only allows you to choose refurbished stock, we are not holding new stock and we can no longer obtain new stock.

Refurbished items are always in perfect working order and will include all accessories. Refurbished items are may

  • have a damaged carton
  • have been used for demonstrations
  • have been repaired
  • have minor imperfections that do not impact performance.

Refurbished items include a 12-Month warranty unless otherwise stated.

Technical Support

Please visit the Get Support page to find a service agent, log a service ticket, or ask a technical question about your product.


Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us.