DTU-351 – HD/SD-SDI Input Adapter for USB-3

Model: DTU-351 Manufacturer: DekTec

$850.00 USD$1,370.00 USD



All USA orders will be shipped from our USA warehouse.
All other orders will be shipped from Canada.


DTU-351-SY  –   DTU-351 with SdEye waveform monitoring and analysis
DTU-351-VR –  DTU-351 with VF-Rec stream recording software
DTU-351-VR-SY –  DTU-351 with VF-Rec stream recorder and SdEye

The DTU-351 is a versatile USB-3 device for getting HD/SD-SDI signals into a laptop, tablet or PC.
The unit is bus-powered, so no power supply is required.


  •  USB powered – no power supply required
  •  All 10-bit data words from the full SDI frame can be read
  •  All 16 audio channels can be read
  •  Scaling by 1/4 or 1/16 in hardware; scaling factor can be switched on-the-fly
  •  DirectShow filter available
  •  Free SDK for easy programmatic access to video, audio channels and auxiliary data


  •  With SdEye: HD-SDI waveform analysis
  •  With VR-Rec: HD-SDI recording
  •  Input for DirectShow-enabled applications hat process uncompressed video
  •  HD-SDI input for your application


SDI Connector                          75Ω  BNC
Physical Layer                         SD-SDI:   SMPTE 259M
.                                                HD-SDI:  SMPTE 292M
Return loss                                >= 12dB @ 0 to 1.5GHz
DekTec Matrix API                   8/10/16-bit conversion
.                                                 Audio/video/ANC extraction
.                                                 Hardware scaling: 1/4 or 1/16
.                                                 Multiple unit synchronization

SDK                                           DTAPI with DekTec Matrix API

Supported Formats                   525i, 625i
.                                                 720p23.98, 720p24, 720p25, 720p29.97, 720p30, 720p50, 720p60
.                                                 1080i50, 1080i59.94, 1080i60
.                                                 1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30

System requirements:
USB speed                                   USB-3
OS                                                Windows 7, 8/10;  Linux   >= 2.6.31, 3x, 4x
Processor:                                   Core i5 minimum, Core i7 recommended, or equivalent AMD CPUs


1. SdEye    –    SDI Analysis and Monitoring Software

  • Supports all DekTec SDI-capable adapters including bus-powered USB-2 units for portable SDI monitoring
  • Contemporary GUI with quick access buttons and user-selectable window layout
  • User can select whether he wants to display Y, Cb, Cr, R, G and/or B components in the picture
  • Various picture display modes: interlaced, top- or bottom-field only, top and bottom field, full SDI frame
  • Displays picture, YCbCr / RGB waveforms, vectorscope and peak meter
  • Cost-effective real-time waveform analyser for SMPTE-259M signals

2. VF-Rec – Advanced transport-stream/SDI recorder

  • Advanced recorder for TS, ETI, SDI, I/Q samples and T2MI.
  • Allows to do continuous recording and remote control through SNMP
  • Record to a single file, to multiple files or continuous
  • SDI recording 10-bit full frame, up to 3G-SDI
  • Remote monitoring and control through SNMP

Additional information

Weight 1 lbs