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Palomar SCS 3.0 Technology




Secure Communications Solutions with Compact Digital Audio Switching for Fixed-Wing Aircraft, Helicopters, UAV, Ground Control, and Shipboard

Palomar SCS 3.0 technology provides state-of-the-art intercommunications based on our latest compact digital audio technology. It offers an uncompromising combination of reliability, modularity, upgradability, and interoperability, making it the solution of choice for all 21st-Century multi-mission platforms.

PDF Palomar SCS 3.0

For more information, email us at palomar.sales@esterline.com


Palomar C130J cutaway


Palomar airborne intercoms


Palomar P-3 cutaway

System Architecture

Our SCS 3.0 technology features our new Digital Crew Unit (DCU) architecture, allowing standard unit circuitry to operate with a wide range of panels without hardware or application software modifications.

  • Minimum cost to change or redesign front panel quickly
  • Generic programmable architecture with a universal connector
  • Flexible backplane with all key functionality and a programmable panel interface
  • Software-only control panel available for existing computer screens and multi-function modules — no need for extra space and wiring for special applications
  • Binaural audio with support for ANR and dual headsets per position

Palomar SCS 3.0 large-system architecture

Palomar SCS 3.0 small-system architecture

Line Replaceable Units (LRUs)

  • Digital switching unit
  • Button common digital crew unit
  • Digital switching unit
  • Alphanumeric digital crew unit
  • Common digital crew unit


  • NSTISSAM / TEMPEST 1-92 Level 1
  • Reduced size, weight and power
  • Simultaneous clear and secure operation
  • Digital voice, data and video management
  • Complete management of communication assets and user configurations
  • Easy customization due to modern modular design
  • Radio and crypto relay
  • Intercom conferencing
  • Wideband audio
  • Certifiable multi-level secure VoIP
  • Binaural audio (spatial optional)
  • Redundancy and emergency operations
  • Extensive BIT capabilities
  • Radio-priority configurable for each position
  • Conduction-cooled sealed enclosures
  • Standard interfaces: MIL-STD-1553 and Ethernet
  • Compatible with all standard headsets and microphones
  • NVIS compatible and daylight readable
  • DO-178B and DO-254 certifiable

Palomar ship cutaway



  • This summary only contains basic marketing information on function or purpose. It does not contain technical data as defined in 15 CFR 772 or 22 CFR 120.10. This information is not subject to US export controls under the EAR or the ITAR.


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