Ultra Stream HDMI Specifications

document Download

Supported Mobile Clients

  • Android
    • Android 5.0 and above
  • iOS
    • iOS 9.0 and above
  • iPhone
    • iPhone 6s and above
  • iPod Touch
    • iPod Touch 7 and above

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

  • HDMI
    • HDMI 1.4a
  • 3.5mm audio jack
    • Microphone interface

Output Interfaces

  • HDMI
    • HDMI loop-through
  • 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

HDMI Specific Features

  • Support for up to 4096x2160 4:4:4/4:2:2 30fps or 4096x2160 4:2:0 60fps input and loopthrough signals
  • Support for 8/10/12-bit color depths
  • Support for 60p, 60i, 50p, 50i, 30p, 25p signal formats
  • For 4:2:0 input signals, the horizontal and vertical resolution will be reduced to 1/2 for capturing
  • For 4:4:4/4:2:2 input signal at more than 170MHz, the horizontal and vertical resolution will be reduced to 1/2 for capturing.

Analog Audio Features

  • Extracting stereo embedded HDMI audio for recording, streaming and output via headphone interface
  • Recording and streaming analog audio from the 3.5 mm microphone interface

Encoding Features

  • Support for H.264/HEVC (video) and AAC High Quality (audio) encoding
  • Support for video bitrates of up to 8Mbps for the Main Stream and 2Mbps for the Sub Stream
  • Support for encoding at input signal resolutions up to 1920x1080, including these lower resolutions: 1600x1200, 1600x900, 1440x1080, 1440x900, 1280x1024, 1280x960, 1280x800, 1280x720, 1024x768, 960x540, 800x600, 768x576, 720x576, 720x540, 640x480, 640x360, 480x360, 480x270
  • Support for 60fps, 59.94 fps, 50fps, 30fps, 29.97 fps, 25fps, 24fps, 15fps, 10fps and 5fps frame rates

Streaming Features

  • Support for live streaming using RTMP/RTMPS protocol to software including Flash Media Server, Wowza, Red5 and Nginx server
  • Support for RTSP protocol
  • Support for streaming to Facebook, Twitch and YouTube platforms
  • Support for streaming to multiple destinations, up to 2 servers simultaneously
  • Support for specifying network priority when multiple networks are connected

Recording Features (to device & USB Flash Drive)

  • Support for recording to USB Flash Drive and internal storage (32GB)
  • Support for loop recording
  • Support for auto-recording when the input signal is stable
  • Support for recording video clips in different durations
  • Support for recording as MP4 or MOV files
  • USB Flash Drive file system formats: FAT32, NTFS, exFAT, VFAT
  • Support for downloading video clips which are stored in device storage using the WebUI

Recording Features (to Mobile Device)

  • Support for recording at up to 1280x720, 30fps
  • Support for recording as MP4 files
  • Taking still image snapshots during recording
  • Saving recording files and screenshots to system album
  • Previewing the main and sub streams
  • Timer recording: 15s, 30s, 1min, 2min, 5min

Remote Control Features

  • Support for connecting the device via Wi Fi, wired network, and device hotspot (i.e. AP mode)
  • Support for connecting smart phone Wi-Fi to the device hotspot (i.e. AP mode)
  • Support for remotely controlling the device using WebUI and app
  • Support for remotely checking the device status
  • Support for setting volume, network, recording and live streaming parameters
  • Support for checking and safely updating device firmware (or resetting to the factory firmware version)
  • Support for simultaneous main stream and sub stream encoding with customizable parameters
  • In-app online help
  • Support for multiple users logging-in simultaneously
  • Support for device configuration using the WebUI

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, updating

Form Factor

  • 94.20mm x 94.20mm x 22.30mm


  • AC adapter

Power Supply and Consumption

  • Power port
    • DC 5V/2A
    • 2.1mm x 5.5mm socket, centre pin positive
  • 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