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Magewell Ultra Stream SDI

Availability: 24 In Stock
Product Code: 53020
Video Encoding

Product Features | Technical Specs | Drivers and Software | Product PDF

Magewell Ultra Stream SDI

Single channel 3G SDI Streaming Encoder

  • Captures SDI + embedded audio
  • Loop-through SDI signal
  • Audio input via mic
  • Extract SDI embedded audio output via headphones
The Magewell Ultra Stream SDI is a stand-alone device that makes live streaming remarkably easy for everyone, by providing 3G video capture from a single SDI source without requiring a computer.


Magewell Ultra Stream SDI


Magewell Ultra Stream SDI

Magewell - Ultra Stream SDI - Technical Specs:

Supported Mobile Clients

  • Android
    • Android 5.0 and above
  • iOS
    • iOS 9.0 and above
  • iPhone
    • iPhone 5s
    • iPhone SE
    • iPhone 6 / iPhone 6s / iPhone 6 Plus / iPhone 6s Plus
    • iPhone 7 / iPhone 7 Plus
    • iPhone 8 / iPhone 8 Plus
    • iPhone X
  • iPod Touch
    • iPod Touch 5
    • iPod Touch 6

Supported Web Browser

  • Microsoft Internet Explorer 11
  • Microsoft Edge
  • Mozilla Firefox version 61 and above
  • Google Chrome version 49 and above
  • Apple Safari 11.1 and above
  • Opera 55.0.2994.44 and above

Input Interfaces

  • BNC
    • SD/HD/3G SDI
  • 3.5mm audio jack
    • Microphone interface

Output Interfaces

  • BNC
    • SD/HD/3G SDI
  • USB
    • USB 2.0
  • 3.5mm audio jack
    • Headphone interface

Network Interfaces

  • Wired Ethernet
    • 10/100/1000Mbps Ethernet
  • Wi-Fi
    • IEEE 802.11 a/b/g/n/ac
  • USB
    • USB 3G/4G Modem (not included)


  • Bluetooth 4.0 BLE

SDI Specific Features

  • Support for SD/HD/3Ga/3Gb/3Gb-DL/3Gb-DS standards
  • Support for 2K (2048x1080) input and loopthrough signals
  • Support for 8/10/12-bit color depths
  • Support for 60p, 60i, 50p, 50i, 30p, 25p signal formats
  • Limited support for the first stream of 3Gb-DS
  • Limited support for the first link of dual link interfaces
    • YCbCr 4:2:2 10-bit 1080p 50/59.94/60: output as 1080i 50/59.94/60
    • YCbCr 4:4:4 10-bit: output as 4:2:2
    • RGB 4:4:4: R/B sub-sampled

Analog Audio Features

  • Extraction of stereo embedded SDI audio for recording and output via 3.5mm stereo mini-jack Line Out
  • Recording and streaming analog audio via 3.5 mm microphone interface

Streaming Features

  • Support for live streaming using RTMP protocol to software including Flash Media Server, Wowza, Red5 and Nginx server
  • Streaming to Facebook, Twitch and YouTube platforms
  • Support for streaming to 2 servers simultaneously

Recording Features (to USB Flash Drive)

  • Support for H.264/HEVC (video) and AAC High Quality (audio) encoding
  • Supports recording at input signal resolution up to 2048x1080
  • Support for 1920x1080, 1600x1200, 1440x1080, 1440x900, 1280x1024, 1280x960, 1280x800, 1280x720, 1200x900, 1024x768, 960x540, 800x600, 768x576, 720x576, 720x480, 640x480, 640x360, 480x360 resolutions
  • Support for 60fps, 50fps, 30fps, 25fps, 24fps, 15fps frame rates
  • Support for recording as MP4 files
  • USB Flash Drive file system format: FAT32, NTFS, exFAT, VFAT

Recording Features (to Mobile Device)

  • Support for recording at up to 1280x720, 30fps
  • Support for recording as MP4 files
  • Take still image snapshots during recording
  • Save recording files and screenshots to system album
  • Input signal previewing
  • Timer recording: 15s, 30s, 1min, 2min, 5min

Remote Control Features in App

  • Remotely control recording and streaming
  • Remotely check device status by multiple users simultaneously
  • Support for setting volume, network, recording and live streaming parameters
  • Support for checking and safely updating device firmware (can also reset to factory firmware version)
  • Simultaneous main stream and sub stream encoding with customizable parameters
  • The bitrate for main stream is up to 8 Mbps while for sub stream is 1 Mbps
  • Support for modifying output AAC bitrate
  • In-app online help
  • Support for multiple users log-in simultaneously
  • Support for device configuration using Web UI

LED Indicator

  • Indicates the state of the input signal, Ethernet Network, Wi-Fi, USB flash drive
  • Indicates the working state of the device: startup, recording, streaming, update

Form Factor

  • 94.20mm x 94.20mm x 22.30mm


  • AC adapter

Power Supply and Consumption

  • Power port
    • 5V/2A
  • Max power consumption: ~6.0 W

Working Environment

  • Operating temperature: 0 to 40 deg C
  • Storage temperature: –20 to 70 deg C
  • Relative humidity: 5% to 90% non-condensing

  • All StreamGear Store products come with a 15 day satisfaction guarantee.
  • If you wish to return a product, please contact us for instructions to ensure you get refunded as quickly as possible.
  • We offer Free Phone Support as well - we want you to be happy with your purchase!
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