Products » SDI Extenders, Splitters & Converters

3G-SDI Multiviewers, Extenders, Splitters, Video Converters

NTI offers a large selection of 3G-SDI, HD-SDI, SD-SDI multiviewers, extenders, splitters, and converters for broadcast-grade video.

SDI Multiviewers
SDI Multiviewers
3G-SDI Screen Splitter/Multiviewer, 9-Port



The SPLITMUX® 3G/HD/SD-SDI Screen Splitter/Multiviewer allows video from up to nine different SDI sources to be simultaneously displayed in real-time on a single monitor. It is capable of displaying the video sources in full screen, quad screen mode, 9-picture screen mode, or custom mode on one HDMI monitor and one SDI monitor at the same time. In custom display mode, each picture can be adjusted to any size and positioned to any location on the display, such as to mimic Picture-in-Picture, dual screen, or triple screen display modes.

SDI Extenders
SDI Video Extenders
3G-SDI Extender via One LC Singlemode or Multimode Fiber Optic Cable

$580 - $600

Part #: ST-1FO3GSDI-LC

The XTENDEX® SD/HD/3G-SDI Extender via Fiber Optic Cable locates up to two displays from a SD/HD/3G-SDI video source up to 12.4 miles (20 kilometers) away using a single singlemode LC fiber optic strand and 1,640 feet (500 meters) using multimode fiber optic cable. Each extender consists of a transmitter that connects to a SD/HD/3G-SDI video source and a local loop out, and a receiver that connects to up to two SD/HD/3G-SDI displays.

SDI Splitters
SDI Video Splitters
3G-SDI Splitter: 4-Port


Part #: VOPEX-3GSDI-4

The VOPEX® 4-Port 3G-SDI Splitter simultaneously displays the same image from one SD/HD/3G-SDI video source onto four SD/HD/3G-SDI monitors.

SDI Converters
3G-SDI to USB 3.0 Video Capture Device with HDMI Loopout
3G-SDI to USB 3.0 Video Capture Device with HDMI Loopout



The 3G-SDI to USB 3.0 Video Capture device is used to record or stream an SD/HD/3G-SDI signal via USB 3.0 at up to 350 MB/s. It features an HDMI loop output for local display, as well as separate 3.5mm stereo audio input/output connectors. The converter is compatible with OBS, Zoom, Teams, Twitch, YouTube, Facebook, Twitter, etc.

3G-SDI to HDMI with Audio Converter Scaler
3G-SDI to HDMI with Audio Converter Scaler


Part #: 3GSDI-HDA

The 3G-SDI to HDMI Converter Scaler connects a computer or camera with a 3G-SDI/HD-SDI/SD-SDI video signal to an HDMI display.