DTU-236A – 8-VSB / QAM-A/B/C RF Probe and ASI Input for USB-2

Model: DTU-236A Manufacturer: DekTec

$1,270.00 USD$3,450.00 USD



All USA orders 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


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



  • Light-weight, easy-to-use RF adapter for tuning to any UHF/VHF or cable channel in the 45 to 1002 MHz range
  • Support for ATSC 8VSB and all QAM variants
  • Convenient 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

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

Additional information

Weight 2 lbs