Receives any UHF/VHF or cable channel
      Additional ASI Transport-Stream input
      No power supply or batteries required

  • Description
  • Specifications
  • Ordering Info



  •   Light-weight, easy-to-use RF adapter for tuning to any UHF/VHF or cable channel in the 44 to 1002 MHz range
  •   Support for all QAM variants
  •   Auto-sensing 44-MHz IF support
  •   Convinient ASI input
  •   Capture TS signals directly to file on a laptop PC for easy field recording
  •   Ruggedized portable unit that requires no additional power supply or batteries, the unit operates entirely    from a USB-2 connection
  •   Sensitive front-end allowing reception of RF signals from -30 to +50dBmV
  •   Combine the DTU-236A with RFXpert software for a powerful RF measurement tool than can be used in the field or in the lab
  •   Combine the DTU-236A with StreamXpert software for real-time Transport Stream analysis, recording, monitoring, as well as SD/HD video decoding
  •   Channel plans for world-wide regions

DTU-236A Applications

  • Recording of QAM and 8-VSB streams
  • Performing RF measurements and Transport-Stream analysis on QAM, 8-VSB or ASI signals in the field
  • QAM monitoring


  •   RF Level,  MER,  EVM
  •   BER : Pre/Post FEC,  SER (Severe Errored), Errored Seconds
  •   Constellation and Eye Diagram
  •   Channel, Adjacent and Full Spectrum


RF Input
Connector                                  75-Ω “F” female
Frequency range                         44 .. 1002MHz
Bandwidth                                   6/7/8MHz
Level measurement                    -30 .. +50dBmV
Level accuracy                           ±2dB
MER range                                  15 .. 38dB

ASI  input
Connector  75-Ω BNC
Standard  EN50083-9
Bit rate  0 .. 100Mbit/s

Dimensions in mm (LxWxH)     180x107x36

Weight                                        < 500g


Ordering Info

All USA order will be shipped from our USA warehouse. 

All other orders will be shipped from Canada. 

DTU-236A  –    8-VSB / QAM-A/B/C RF Probe

DTU-236A-RX  –    8-VSB / QAM-A/B/C RF Probe with RFXpert

DTU-236A-SX  –    8-VSB / QAM-A/B/C RF Probe with StreamXpert

DTU-236A-RSX  –    8-VSB / QAM-A/B/C RF Probe with RFXpert and StreamXpert

Software Description

1.  StreamXpert – Transport Stream Analyser Software
• Real-time analysis, monitoring and recording of MPEG-2 transport streams
• Recording based on duration, size or manual
• Provides detailed statistics on the PIDs, services and tables found in the transport stream
• Displays PIDs, services, tables, descriptors, stream information and PID-grid (compact overview of all PIDs)
• User definable TR 101 290 templates
• PCR analysis
• Measurement of bitrates, PCR-accuracy and interval
• Integrated SD/HD video and audio decoder with support for MPEG-2, AVC/H.264, HEVC/H.265, AVS, 4:2:2 and 10 bit video streams and MP1 / MP2 / (HE-)AAC / Dolby AC3 / Dolby AC4 audio
• Deep decoding of PSI, DVB-SI, DVB-RCS and ATSC-PSIP tables and descriptors
• Closed captions decoding
• SI decoding with user templates, Dolby AC4 analysis, multi-monitor support
• Support for analysing TS-over-IP streams via a DTA-2160 / DTA-2162 or a local network port
• The world’s most cost-effective and user-friendly transport-stream analyser

 2.   RFXpert –  RF Monitoring and Analysis Software

  • Real-time analysis and monitoring of modulated digital TV signals using DTU-235 (for DVB-T) or DTU-236 (for 8-VSB and QAM-A/B/C) RF probe
  • Main window displays overview of current RF status, monitor status and RF level and MER histograms
  • Master alarm indicators for a quick check of signal integrity
  • Alarm logging with configurable pass/warn/fail thresholds
  • Client-server architecture: RFXpert can connect to the RF probe over a network
  • Supports creation of a channel plan for easy tuning; Standard channel plans and auto-channel search are provided
  • Run RFXpert and StreamXpert for parallel RF and transport-stream analysis