DHS-300 Digital Intercommunication System

DHS-300 manages airborne radios, receivers and units with voice alerts and also provides communication interface for pilot and copilot.

DHS-300, which has digital audio processing capability, meets reliable and high quality audio communication needs for noisy military environments.

With its reliable and rugged design, DHS-300 operates in severe environmental conditions on fixed-wing and rotary-wing platforms.

DHS-300 can be configured for communication with multiple users.

Sub Units

DHS-300 consists of 2 (two) identical Audio Control Panels.

Important Features

Technical Specifications

  • Radio Receiver/Transmitter Channels Control
  • VOR, MB and TACAN Receivers Controls
  • Navigation Receiver Channels Controls
  • Controlled Direct Receiver Channels Support
  • Uncontrolled Direct Receiver Channels Support
  • Interphone Channel Management
  • Voice Operated Transmit (VOX) Capability
  • HOT MIKE Capability
  • Sidetone Capability
  • Voice Recorder Output
  • DO-254 Certified Hardware
  • DO-178B Certified Software
  • Built In Test (BIT) Capabilities
    • Initiated BIT
    • Continuous BIT
    • Power up BIT features
  • Reporting BIT results through RS-485 serial interface


  • MIL-STD-810F
  • RTCA DO-160G

Environmental Conditions

  • Operating Temperature and Altitude      : -40°C / +70°C, 15.000 ft.
  • Storage Temperature                                    : -55°C / +85°C

Physical Specifications

  • Dimensions: 67 mm (H) x 146 mm (W) x 169 mm (D)
  • Weight: <1.4 kg