RGBlink
← Back to Support Hub
proStream

Support For Individuals

What we can help with

Get assistance focussed on streaming switchers, UVC, IP and NDI streaming and more. Ask our AI Agent anything to start support session

  • Mini-series devices
  • TAO encoders
  • ASK wireless video

Start a support chat

Tell us your device model and what you need help with, or try a suggested question.

Support Knowledge

Select an article from the menu to view full content here.

Terminology / Interfaces / SDI

SDI

(Serial Digital Interface)

A broadcast-grade interface standard defined by SMPTE for transmitting uncompressed digital video over coaxial cable, typically with BNC connectors as interfaces between equipment.

Variants are distinguished by transmission rate:

HD-SDI (SMPTE 292M)

Transfer rate of 1.485 Gbps; supports 720p and 1080i.

3G-SDI (SMPTE 424M, released 2006)

Transfer rate of 2.97 Gbps; supports 1080p @ 60 Hz.

6G-SDI (SMPTE ST 2081, released 2015)

Transfer rate of 6 Gbps; supports 2160p @ 30 Hz.

12G-SDI (SMPTE ST 2082, released 2015)

Transfer rate of 12 Gbps; supports 2160p @ 60 Hz.