Comtech DMD2050E MIL-STD-188-165A/STANAG 4486 Edition 3

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Product Information

  • Type: MIL STD SCPC
  • Frequency: L
  • Brand: Comtech EF Data
  • SKU: CMT109

Tech Specifications

Datasheet PDF


The DMD2050E Satellite Modem is designed to comply with the widest possible range of U.S. Government and commercial standards and is compatible with the largest number of satellite modems in the industry. It is fully compliant with MIL-STD-188-165A (all terminal types), fully complies with STANAG 4486 Edition 3, as well as the IESS-308, IESS-309, IESS-310 & IESS–315 commercial standards.

The DMD2050E provides highly advanced and bandwidth efficient forward error correction (FEC). Advanced FEC options include Low Density Parity Check (LDPC), Turbo Product Codes (TPCs) and 165B Turbo Codes. Legacy support for Viterbi, Trellis, Concatenated Viterbi Reed-Solomon, and Sequential FEC are also included. A complete range of modulation types is supported including BPSK, QPSK, OQPSK, 8PSK, 8-QAM, 16-QAM and 16APSK.

Data rates range from 2.4 kbps to 52 Mbps and symbol rates from 4.8 ksps to 30 Msps. The modem provides standard MIL-STD-188-114 (EIA-530 / RS-422), and EIA-613 (HSSI) serial interfaces and 10/100/1000Base-T Gigabit Ethernet interfaces. A dual IF interface supports low IF (52-88, 104-176 MHz), and L-Band (950-2000 MHz) frequency ranges.


  • Standards Compliance:
    • MIL-STD-188-165A (all modes)
    • STANAG 4486 Edition 3
    • OM-73
    • IESS-308/309/310/314/315
  • Standard Data Interfaces
    • MIL-STD-188-114 (EIA-530)
    • EIA-613 (HSSI)
    • Ethernet 10/100/1000Base-T (GigE)
  • Serial / Ethernet multiplexing capability
  • AES-256 TRANSEC, FIPS-140-2 L2 certified
  • Key Loader Interface
  • Ethernet Flow Control & Quality of Service (QoS)
  • Integrated DoubleTalk Carrier-in-Carrier
  • LDPC, TPC, 165B Turbo, Viterbi, Reed Solomon, Trellis & Sequential FEC
  • FEC rates 1/1, 5/16, 1/2, 2/3, 3/4, 7/8, 19/20 and others
  • Information Throughput Adaption (ITA)
  • 2.4 kbps to 52 Mbps
  • 70 ± 18 MHz and 140 ± 36 MHz IF, and 950 – 2000 MHz L-Band in 1 Hz steps
  • DC input power -48 VDC option
  • High-stability reference
  • Asynchronous overhead
  • Automatic Uplink Power Control

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