• Description
  • Specifications
  • Ordering Info


DTA-2111B Features

  • Multi-standard modulator for PCI Express with support for most QAM-, OFDM- and VSB-based modulation standards
  • Digital upconversion for excellent signal quality without need for calibration
  • Supports all constellations and modulation modes for each supported standard
  • All-channel upconverter 36 .. 1002MHz fully agile over VHF and UHF band
  • Digital channel simulator option
  • RF output for direct connection to the antenna input of a digital receive
  • Free Windows and Linux SDK (DTAPI) is fully compatible with other DekTec digital-video output adapters

DTC-300 – StreamXpress Playout and Control Software (included in DTA-2111B-SP)

  • Low-cost, high-performance playout software
  • Endless play with optional automatic correction of continuity-counter, PCR/PTS/DTS and TDT/TOT fields
  • SOAP-based remote control to automate StreamXpress operations (DTC-302-RC option)
  • Saving and restoring playout parameters using XML-based settings file
  • Reproducible injection of errors in the transport stream with adjustable error rate
  • Easy-to-use control of modulation and channel simulation parameters

DTA-2111 Applications

  • General-purpose test modulator
  • Digital TV distribution over coax: SMATV, hotels hospitality, campus, buildings, etc
  • Custom OEM applications

PC Requirements

OS                     Windows 10, 11
Windows Server 16, 19, 22
Linux ≥2.6.18, 3.x, 4.x, 5.x

Processor        Core i5 minimum
Core i7 recommended
Or equivalent AMD CPUs


RF connector                          75-Ω F female
Frequency range                    36 .. 1002MHz ±3ppm
Bandwidth (max)                   8.0MHz
I/Q sample rate                      4.7 .. 9.375MHz
Output Level Range              -32 .. -9dBm (QAM),-35 .. -12dBm (OFDM)
Output Level Step size           0.1dB
Output Level Accuracy           ±2dB
MER                                         >40dB
Adjacent channel                   -54dB (QAM), -52dB (OFDM)
Phase noise                         <-95dBc @ 100kHz
Spectral purity                       >50dB @ -9dBm
Wideband noise                     35dBµV (B=1MHz)
PCI Express                           v1.1; PCIe 1x

Modulation Standards (included)

  • ATSC VSB                ATSC A/53E
  • DVB-C                      EN 300 429
  • DVB-T / DVB-H       EN 300 744
  • QAM                          ITU-T J.83 Annex A/B/C

 Modulation Standards (optional)

  • ATSC-M/H
  • DTMB         GB 20600-2006
  • CMMB        GY/T 220.1/2-2006
  • DVB-T2      EN 302 755
  • IQ                I/Q sample playout
  • ISDB-T       ARIB STD-B31
  • DVB-C2      EN 302 769

Ordering Info

All USA orders will be shipped from our USA warehouse. 

All other orders will be shipped from Canada.

DTA-2111B   –   Multi-standard VHF/UHF modulator for PCIe. Includes modulation options: ATSC VSB, DVB-C, DVB-T / DVB-H, QAM (A/B/C)

DTA-2111B-SP    –   Multi-standard VHF/UHF modulator for PCIe with StreamXpress player software. Includes modulation options: ATSC VSB, DVB-C, DVB-T / DVB-H, QAM (A/B/C)

Available Options for DTA-2111

  • DTC-305-CM – XpressSim channel-modelling option
  • DTC-370-ISDB – ISDB-T modulation option
  • DTC-371-IQ – IQ samples playout option
  • DTC-374-DTMB – DTMB modulation option
  • DTC-375-CMMB – CMMB modulation option
  • DTC-378 T2Xpress – DVB-T2 modulation option
  • DTC-379 C2Xpress – DVB-C2 modulation option
  • DTC-377-MH    –  ATSC-MH modulation option

DTA-2111-GOLD    –      Multi-standard VHF/UHF modulator for PCIe with all current and future modulation options, channel simulation and  StreamXpress including remote control

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