Aten Professional Converter HDMI to 3G/HD/SD-SDI Converter | VC840-AT-U

The VC840 HDMI to 3G/HD/SD SDI Converter provides a professional way to exchange high definition signals in real time. The SDI and HDMI signal conversion is 100% digital and guarantees no loss of quality for both the audio and video transmission. The VC840 provides 2 low jitter SDI outputs for dual display. The VC840 is the most dependable way to convert signals with confidence when monitoring in any post or broadcast application.

Converts an HDMI input signal to 3G/HD/SD-SDI formats in real time while avoiding transformation loss for both audio and video signals
Supports additional analog stereo audio and coaxial digital audio
HDMI (Deep Color)
LED indication of power and signal status
Supports an SDI distance of up to 90M (3G-SDI), 150M (HDSDI) or 300M (SD-SDI) of RG6
Supported SDI formats:
• SD-SDI (SMPTE 259M, up to 270Mbps)
• HD-SDI (SMPTE 292M, 296M, up to 1.485Gbps)
• 3G-SDI (SMPTE 424M, 425M level A, up to 2.97Gbps)
Video Support:
525i@59.96, 625i@50
720p@50/59.94/60
1080i@50/59.94/60
1080p@23.97/24/25/29.97/30/50/59.94/60
Supports 8 audio channels @ 48kHz rate
Offers 2 low-jitter SDI outputs for dual display
Features automatic detection of 3G/HD/SD-SDI signals
Reclocking SDI signals for cascading and thus longer transmission
Locking power connector for secure communications
Selectable EDID settings and EDID learning mode

Product Last Updated: 12/09/2026

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