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Magewell Ultra Encode SDI

Availability: 24 In Stock
Product Code: 53050
Video Encoding

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

Magewell Ultra Encode SDI

Single channel 3G SDI to h.264/h.265 Video Streaming Encoder for SRT and NDI |HX 

  • Captures SDI + embedded audio
  • Loop-through SDI signal
  • Audio input via Line In
  • Extract SDI embedded audio output via Line Out
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.


Input / Output diagram


Input Features

  • Support for up to 2048x1080 60fps input and loop-through signals
  • Input & loop-through 16-Channel SDI embedded audio
  • Input audio from 3.5 mm LINE IN

Encoding Features

  • Dual stream encoding: main stream (Max bitrate: 16Mbps) and sub stream (Max bitrate: 2Mbps)
  • Support for H.264/HEVC video encoding
  • Encoding 2-channel AAC at 48kHz, 16-bit

Streaming Features

  • Supported streaming protocols: RTSP/RTMP/RTMPS/SRT Caller/SRT Listener/NDI|HX2/HLS (push)/TS over UDP/TS over RTP
  • Allow streaming to multiple destinations simultaneously (select protocols)


  • Internet connectivity via wired Ethernet and wireless network
  • Control via intuitive Web GUI or HTTP APIs

Technical Specs:

Input Features

  • Max input & loop-through signal: 2048x1080 60fps
  • Supported inputs include:
    • 2048x1080p/2048x1080i/1920x1080p/1920x1080i 23.98/24/25/29.97/30/47.95/48/50/59.94/60
    • 1280x720p 25/29.97/30/50/59.94/60
    • 720x576 25p/50i (PAL SD)
    • 720x480 29.97p/59.94i (NTSC SD)
  • 8/10/12-bit color
  • Input & loopthrough 16-Channel SDI embedded audio
  • Input Audio from 3.5 mm LINE IN
  • SD/HD/3G BNC input & loopthrough
  • SD (ST 259)/HD (ST 292)/3Ga (ST 425)/3Gb (ST 425)/3Gb-DL(ST 425)/3Gb-DS(ST 425) standards

Encoding Features

  • Dual stream encoding: main stream and sub stream
  • Max bitrates:
    • Main Stream - 16Mbps
    • Sub Stream - 2Mbps
  • Supported resolutions:
    • HD: 1920x1080, 1600x1200, 1440x1080, 1440x900, 1280x1024, 1280x960, 1280x800, 1280x720, 1024x768
    • SD: 960x540, 800x600, 768x576, 720x576, 720x540, 640x480, 640x360, 480x360, 480x270
  • Supported frame rates: 60/59.94/50/30/29.97/25/24/15/10/5fps
  • H.264/H.265 (HEVC) SEI message supports system timecode or RP–188 timecode extracted from input
  • H.264/H.265 (HEVC) SEI message supports native CEA–608/608 over 708 captions
  • Encoding 2-channel AAC audio at 48kHz, 16-bit
  • Supported audio bitrates: 256/192/128/96/64/48/32/16 kbps
  • Extracting audio from SDI signal and output through LINE OUT
  • Encoding videos after de-interlacing
  • Encoding interlaced input signal as main and sub streams in the format of interlaced H.265 (HEVC)

Streaming Features

  • Natively support Facebook, Twitch and YouTube
  • Supported streaming protocols: RTSP/RTMP/RTMPS/SRT Caller/SRT Listener/NDI|HX2/HLS (push)/TS over UDP/TS over RTP
  • Allow simultaneous sessions over the same streaming protocol. Streaming protocols are as follows.
    • Up to 6 sessions of TS over RTP and TS over UDP simultaneously
    • Up to 6 sessions of SRT Caller and SRT Listener simultaneously, containing one SRT Listener session at most (max 8 clients simultaneously)
    • Up to 6 sessions of RTMP and RTMPS simultaneously
  • Stream only 1 session of HLS (push), RTSP, or NDI|HX2
  • Total bitrates for different network connection types:
    • 24Mbps for all streams is recommended for a wired network connection
    • 16Mbps for all streams is recommended for a wireless network connection
  • Specify streaming main stream or sub stream for each session

Configuration Management

  • Register with Magewell Cloud
  • Remote control via WebUI and Magewell Cloud
  • Provide comprehensive information regarding the system information of device and working status in real-time
  • Video thumbnail preview
  • Configure parameters of volume and color, input and output signals, stream profiles, no signal image, the Ethernet and Wi-Fi connection, as well as date and time
  • Update firmware
  • Export configuration profiles of the device
  • Support IE/Edge/Firefox/Chrome/Safari/Opera web browsers
  • Provide HTTP APIs

Network Interfaces

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

Input/Output Interfaces

  • SD/HD/3G BNC input and loop-through interfaces
  • 3.5mm LINE IN
  • 3.5mm LINE OUT

LED Indicators

  • LEDs indicating the status of power, input signal, streaming, Ethernet and Wi-Fi connection

Power Supply and Consumption

  • DC 5V/2A
  • Max power consumption: ~7.6 W

Form Factor

  • 106.6mm x 106.2mm x 25mm


  • AC adapter
  • Wi-Fi antenna
  • USB 2.0 Type B cable
  • T-bracket

Screw Mounting Hole

  • 2 x M3 threaded hole
  • A standard 1/4"-20 socket provided by T-bracket

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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