Aten VS146 6-Port 3G/HD/SD-SDI Splitter


The ATEN VS146 6-port 3G/HD/SD-SDI splitter is designed to receive one SDI input and forward the signal to six SDI outputs, enabling real-time viewing on multiple displays. Ideal for surveillance systems, television studios, digital cinemas and other audiovisual applications, the splitter features automatic cable equalization and distributes the SD-SDI signal up to 300m. For longer distances, the splitter can readjust SDI signals for cascading.

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6-Port SD-SDI Splitter receives one SDI input and retransmits the signal to six SDI outputs for real time viewing across multiple displays. It provides automatic cable equalization and distributes the SD-SDI signal over 300 meters. The VS146 has the ability to re-clock SDI signals for cascading and thus provide even longer transmissions.

It's particularly ideal for TV studio, digital cinema, or any AV application where you need to split signals from a camera or other device equipped with 3G/HD/SD-SDI outputs to six SDI-compliant displays or video processors.

ATEN VS146 Features

  • One video inputs to 6 video outputs
  • Supports an SDI distance of up to 90M (3G-SDI), 150M (HD-SDI) or 300M (SD-SDI) of RG6
  • Reclocking SDI signals for cascading and thus longer transmission
  • Supported SDI formats: 
    • SD-SDI (SMPTE 259M, up to 270Mbps) 
    • HD-SDI (SMPTE 292M, 296M up to 1.485 Gbps) 
    • 3G-SDI (SMPTE 424M, 425M level A,B up to 2.97 Gbps)
  • Video bandwidth: 2.97Gpbs, 2.97/1.001Gbps
  • Features automatic detection of 3G/HD/SD-SDI signals
  • LED indication of power status and SDI signal
  • Locking power connector for secure communications
  • Passes all ancillary data

Data sheet

Video Inputs
Supported Resolutions
1280x720 - HD
1920x1080 - HD


Video Input

Interfaces1 x BNC (Gold)
Impedance75 Ώ
Max. Distance1.8 m

Video Output

Interfaces6 x BNC (Gold)
Impedance75 Ώ


Max. Data Rate2.97 Gbps
Supported ResolutionsNTSC@59.96 Hz, PAL@50 Hz
720p@50/59.94/60 Hz
1080i@50/59.94/60 Hz
1080p@23.97/24/25/29.97/30/50/59.94/60 Hz
Max. Distance90 m (3G-SDI); 150 m (HD-SDI); 300 m (SD-SDI)



1 x DC Jack

Power Consumption



Operating Temperature0-40°C
Storage Temperature-20 - 60°C
Humidity20 - 90% RH, Non-Condensing

Physical Properties

Weight0.32 kg ( 0.7 lb )
Dimensions (L x W x H)10.80 x 13.90 x 2.80 cm
(4.25 x 5.47 x 1.1 in.)

Carton Lot

5 pcs


For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format.

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