Ruggedized encryption device for voice and data communications

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ELCRODAT 4-2, Front viewELCRODAT 4-2, Side viewELCRODAT 4-2, Back viewELCRODAT 4-2, Side view

Key facts

  • Voice and data encryption for all German and NATO security classifications
  • Protects HF/VHF/UHF, satellite communications and line transmissions
  • Fully rugged, tamper protected, TEMPEST-proof
  • Stationary and mobile deployment in all military branches

Brief description

Rohde & Schwarz ELCRODAT products protect voice and data communications in armed forces and government digital and analog networks in all German and NATO security classifications.

The ELCRODAT 4-2 is a fully ruggedized tactical crypto device for encrypting and decrypting voice and data communications for all German and NATO security classifications. Since it is TEMPEST-proof, it can be operated with HF/VHF/UHF radio, satellite communications and line transmission equipment. The device is ideal for deployment on stationary and mobile platforms in rugged terrain and in naval and airborne environments.

Features & benefits


Dedicated interfaces for many applications

The ELCRODAT 4-2 offers a wide range of operator interfaces for different application platforms and scenarios.

  • Remote control software systems management interface
  • MIL-bus communications systems management interface
  • Control unit user interface
  • Headset/intercom interface



Multiple traffic/operating modes and transmission versatility

The ELCRODAT 4-2 flexible analog and digital communications interface concept supports multiple traffic and operating modes and transmission methods. 

Traffic operating modes and transmission methods:

  • Voice and data transmissions 
  • Teletype for extremely reliable communications
  • Synchronous and asynchronous transmissions over red and black interfaces


Comprehensive protection with sophisticated security concept

The ELCRODAT 4-2 has a security concept covering the entire crypto lifecycle for comprehensive protection.

  • Audited production environment
  • Hardware red-black separation and tamper protection


Interoperable with national and NATO devices

  • Interoperable with national devices
  • Interoperable with numerous NATO devices


Wide range of accessories simplifies commissioning and operation

Configuration PC increases preset loading process efficiency and accuracy.

  • Crypto ignition keys (CIK) increase deployment security and flexibility
  • Mounting frame secures device in physically demanding environments
  • Seamlessly adjustable external power supply unit (110 V/240 V)

Available options


ED4-2 crypto ignition key (CIK)


ED4-2 control unit


ED4-2 MIL-bus module

External power supply

ED4-2 external power supply(115V/230V)

R&S®ED4-2 ConnKit RCU

ED4-2 connector kit for RCU

ED4-2 connector kit for remote control unit

ConnKit oAoMIL

Connector kit, w/o audio, w/o MIL-bus connector

ED4-2 connector kit, without audio and without MIL-bus connector

ConnKit wAoMIL

Connector kit, with audio, w/o MIL-bus connector

ED4-2 connector kit, with audio and without MIL-bus connector

ConnKit oAwMIL

Connector kit, w/o audio, with MIL-bus connector

ED4-2 connector kit, without audio and with MIL-Bus connector

Test adapter kit

ED4-2 test adapter kit

Mounting frame

ED4-2 mounting frame

Remote interface box

ED4-2 remote interface box

Adapter set

ED4-2 adapter set parametrization

Param. software

ED4-2 parametrization software (CD)

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General and legal information

Manufacturer's recommended retail price (MSRP). The price shown does not include VAT. Prices and offers are only intended for entrepreneurs and not for private end consumers.

You may use the electronic signature via DocuSign to submit your information to enroll with the Rohde & Schwarz Customer Delegated Administration program. DocuSign processes the information provided according to their . The minimum system requirements for using the DocuSign system may change over time. The current system requirements are found

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