MDM Q9604 High Data Rate HF Data Modem


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Features & Benefits

  • Data Transmission Rates
    • 75 bps to 16,000 bps in single HF channel operation
    • 9,600 bps to 32,000 bps in two HF channel operation
    • 9,600 bps to 48,000 bps in three HF channel operation
    • 12,800 bps to 64,000 bps in four HF channel operation
    • 2,400 bps to 76,800 bps in single V/UHF channel operation (if 25 kHz external audio port is available from V/UHF radio)
  • Designed to operate with Rockwell Collins HF Messenger™ data link (STANAG 5066 protocol) management software
  • Advanced QAM modulation in high data rate waveforms
  • Transmit and receive diversity
  • Enhanced interferer cancellation for QAM data rates
  • Voice over IP (VoIP) mode
  • Serial Control over IP (SCoIP) remote control mode
  • Multiple (up to four), independent modem functions within a single Q9604 hardware platform
  • Compatible with wide range of HF radios, including 1.8 kHz to 2.4 kHz bandwidth systems
  • Automatic Link Establishment (ALE) compatible



Data Interfaces: EIA-232D, RS-422/423, MIL-STD-188-114 via synchronous/asynchronous serial port, 10/100 Base-T (IEEE 802.3U compatible) via Ethernet port

Receive Audio: 600 ohm balanced with dynamic range from -40 dBm to +10 dBm (0 dBm nominal)

Transmit Audio: 600 ohm balanced; configurable range -30 dBm to +10 dBm

Radio Keyline: Contact closure, open collector and 6-volt with each audio channel

Ethernet Control: EIA-232D unbalanced, EIA-422 balanced, EIA-485

Embedded Control: Front panel or Linux X-Windows Graphical User Interface (GUI)

Keyboard (optional): Standard PS/2

Mouse (optional): Standard PS/2

Video (optional): VGA/SVGA standard 15-pin video port

Processor: 1.26 GHz Pentium® III

MTBF: 57,000 hours

MTTR: Less than 15 minutes organizational

Physical Specs

Height: 1.75 in (4.4 cm)

Width (chassis only): 16 in (40.6 cm)

Depth: 16 in (40.6 cm)

Weight: 8.6 lb (3.9 kg)


Prime Power (AC Version): 

85 VAC to 265 VAC, 47 to 440 Hz, 50 W max


Temperature: 0 to +50 degrees Celsius operating, -40 to +70 degrees Celsius storage

Humidity: Up to 95% relative humidity without condensation

Shock: MIL-S-901, Grade A, Class 1, lightweight, Type A (5-foot hammer blow all axes)

Vibration: MIL-STD-167, Type 1


MIL-STD-188-110B conformance test procedures, reference (d) to validate STANAG 4539 Annex B, section 3 and section 4  requirements.

Typical System

Main Components

Please contact Rockwell Collins for additional information on this product.

Related Documents


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Services & Support

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Collins Aerospace facilities and capabilities allow us to offer a variety of support solutions from time and material repairs to price per flight hour asset management solutions. What ever your operational objectives, we have a solution to support your life cycle service requirements.

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Maintenance & Repair

Collins Aerospace Service Centers are strategically located throughout the world to provide maintenance on our equipment, both in and out of warranty. Overhaul and repair service can also be obtained at each location. As new products are introduced, service center capabilities are continually updated to support them. Located within each Service Center is a dedicated Customer Service Representative, available to answer questions or address problems.

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Spares & Parts

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