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DTA-111 - Low-cost cable/terrestrial modulator for PCI  


Low-cost cable/terrestrial modulator for PCI

A very low-cost VHF/UHF Modulator for PCI bus.

The DTA-111 is no longer in production and no stock is available, but the card remains supported in DekTec's SDK and software.


Key Characteristics

RF frequency VHF, UHF
47 to 862MHz
Mod. bandwidth 5 to 8MHz
RF output level -15dBm (QAM)
-18dBm (OFDM)
Phase noise <-90dBc @ 10kHz

Inputs and Outputs

RF out 75-Ω F-type
Slot PCI

Modulation Standards

Included with base product ATSC 8VSB

PC Support

OS Windows 7, 8, 10, 11
Windows Server 12, 16, 19
Linux ≥2.6.18, 3.x, 4.x, 5.x
Processor Core i5 minimum
Core i7 recommended

Or equivalent AMD CPUs


StreamXpress Play TS files and control modulation parameters
SpRcApi StreamXpress remote control API for automated playout and modulation
DekTec SDKs Create your own full-custom application with modulated output via the DTA-111


DTA-111-SP879Stock: 1
Low-cost cable/terrestrial modulator for PCI with StreamXpress player software.
DTA-111-GOLDOn requestStock: 1
Description of product and/or option is missing.
Modulation Options

Prices exclude applicable sales tax, shipping charges and customs duties. Quantity discounts may be available, please request a quotation.


  • Multi-standard modulator with support for all popular QAM-, OFDM- and VSB-based modulation standards
  • All-channel upconverter 47 to 862MHz covering entire VHF and UHF band
  • Output can be directly connected to the antenna input of a digital receiver


  • Universal low-cost modulator
  • Modulated output for your OEM application

Block Diagram

DTA-111 block diagram

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