Magewell Ultra Stream SDI

Magewell Ultra Stream SDI encoder enable users to record or stream high-quality video with one click using on-device buttons or an intuitive smartphone app. Customers can stream live to popular services such as YouTube, Facebook Live and Twitch or to a custom-specified RTMP server, and can simultaneously record video as files to a USB drive or the associated smartphone.

  • Record and stream 1 channel of 3G SDI + embedded audio + microphone
  • Loop-through SDI + embedded audio

Magewell PN: Please choose the device which meets your local power supply standard. 53020 US; 53022 EU; 53023 UK; 53024 AU; 53025 KR; 53026 JP

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Magewell Ultra Stream SDI Sandalone Encoder, Standalone box for recording and streamingSDI with loop-through. 2 simultaneous streaming, RTMP to Youtube Live, Facebook Live and Twitch

SKU: US/EU/AU-53020, UK-53023 Category:


Magewell Ultra Stream SDI is a Single-Channel HD Streaming Encoder that makes live streaming remarkably easy for everyone! Supports up to 2K60p 3G-SDI input and loop-through with embedded and analogue audio.

Magewell Ultra Stream SDI encoder enable users to record or stream high-quality video with one click using on-device buttons or an intuitive smartphone app. Customers can stream live to popular services such as YouTube, Facebook Live and Twitch or to a custom-specified RTMP server, and can simultaneously record video as files to a USB drive or the associated smartphone.

Magewell Ultra Stream SDI

Single-Channel HD Streaming Encoder – Making live streaming remarkably easy for everyone

  • Stand-alone device; no computer needed
  • Control via on-device buttons or intuitive Android/iPhone smartphone app
  • LED indicators display status

Live Stream to the Platforms of Your Choice

  • Ultra Stream SDI standalone Encoder, encode and stream at up to 1080p60
  • Stream to YouTube, Twitch or Facebook Live with one click
  • Stream to a custom RTMP server

Record High-Quality Video for Storage and Sharing

  • Preview, record & stream simultaneously
  • Record to MP4 files at up to 1080p60
  • H.264 video encoding with AAC audio
  • Save to mobile phone or to a connected USB flash

Support 2K Input and Loop-Through

  • Supports inputs up to 2048x1080p60
  • Loop-through at 2K for displays

Add Your Narration – Monitor Your Audio

  • Connect a microphone via analog audio input
  • Monitor SDI

Wired & Wireless

The Ultra Stream SDI can be connected to the Internet via Ethernet or Wi-Fi

standalone SDI encoder

A new web interface, enabling users to control Ultra Stream encoders through a web browser. While the smartphone app continues to provide the simplest way to locally manage the device, the browser-based interface enables customers to remotely control the encoder from anywhere via VPN or access it from a desktop computer over wired Ethernet. Multi-level user management in the web interface allows access to administrator functions to be restricted to authorized users.

Developers wishing to integrate control of Ultra Stream SDI standalone encoder into their software applications also gain important new capabilities, with an API enabling them to leverage the devices’ robust functionality in their own branded interface.

While the earlier configuration features an HDMI input interface, the new Ultra Stream SDI captures, encodes and streams HD or 2K video at resolutions up to 2048×1080 over 3G-SDI connectivity. Support for embedded SDI audio is augmented by an analog microphone input and a headphone output for monitoring, while an SDI loop-through connection enables source signals to be simultaneously sent to a monitor or other production equipment.

The ultra-compact Ultra Stream SDI measures just 4.1 inches (104.6 mm) by 3.7 inches (94.2 mm) with a height of 1.1 inches (28.5 mm), and weighs only 5.1 ounces (143.3g). Like its HDMI-equipped counterpart, Ultra Stream SDI offers both wireless and wired network connectivity – with built-in Wi-Fi as well as an RJ-45 Gigabit Ethernet port – in addition to the aforementioned optional mobile broadband modem support. Mobile broadband support and the new Access Point mode are available

InterfaceH.264 EncodingSoftware EnvironmentStreaming ServerOthers
Video input interface
• SDI x1
• Support up to 2048x1080p60
Loop-through Interface
• SDI x1
• Support up to 2048x1080p60
USB Interface
• USB 2.0 for USB Flash Drive
or USB 3G/4G Modem
Audio Interface
• Headphone Output
• Microphone Input
Network Interface
• Ethernet Interface
Power Interface
• DC+5V
Main Stream
• Up to 1080p60

Sub Stream
• Up to 720p30

HEVC Encoding
Record to MP4
Mobile OS
• Android, iOS

• Upgradable firmware
• Youtube Live, Twitch, Facebook Live

LED Indicators

2-year warranty

Internal SD card



Power adaptor

(please see part numbers)


Supported Mobile ClientsAndroid
• Android 5.0 and above
• iOS 9.0 and above
• 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
3.5mm audio jack
• Microphone interface
Output InterfacesBNC
• USB 2.0
3.5mm audio jack
• Headphone interface
Network Interfaces
Wired Ethernet
•10/100/1000Mbps Ethernet

•IEEE 802.11 a/b/g/n/ac

•USB 3G/4G Modem (not included)
BluetoothBluetooth 4.0 BLE
SDI Specific Features
Support for SD/HD/3Ga/3Gb/3Ga-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
AccessoriesAC 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
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