United Kingdom
CARAT interface shown on a Volvo infotainment screen taken from behind the wheel as a user touches the screen.

CARAT Switch System for Volvo

The CARAT (CAR Advanced Technology) Switch System is integrated with the vehicle’s infotainment system, which provides a clean and safe driver environment. Accessing the car's special functions is straightforward—simply double-tap the home button for immediate control.

View the CARAT

A Unique and Innovative Solution:
The CARAT Switch System

The CARAT Switch System is a groundbreaking product designed to seamlessly integrate vehicle OEM displays with Standby CMP Controllers.

This setup enables the generation of a blue light GUI (graphical user interface) while the CSDS (Center Stack Display Switch) device manages the transition of video sources to the screen.

Working in tandem with MCS control units, this system enhances the functionality of emergency vehicle equipment with unmatched efficiency.

Driver using a Volco infotainment screen with a Standby CARAT GUI on the screen. Over the shoulder shot into the front of the vehicle.

Updated for 2025

 

Airwave Certification

CARAT is now Airwave Certified, allowing it to serve as the main control interface for connected Tetra radios. This means that instead of relying on small buttons and displays, emergency service personnel can now manage radio communications directly through the vehicle’s infotainment screen.

Operators can;

  • Send status updates
  • Change talkgroups effortlessly
  • Receive calls with enhanced accessibility

Certified for use with Sepura and Motorola radios, CARAT ensures a safer and more efficient communication experience on the move.

 

Enhanced Features & Expanded Compatibility

  • Expanded Vehicle Compatibility – Now available for most Volkswagen Group vehicles, including Audi, Skoda, Volkswagen, SEAT, and Cupra, in addition to Volvo.
  • Custom Infotainment Screen Layouts – Operators can now personalise screen layouts, choosing custom colours, text styles, symbols, button sizes, and messaging text to suit their fleet requirements.

Features

Seamless Integration for Enhanced Safety

Flexibility for Developers

Effortless Access to External Functions

Compatibility with Volvo and Polestar Models

Future Development

Volvo Cars Ready-Made Solution

Application Options

Application 1

CARAT Switch System

Exclusive Standby UK solution for controlling blue lights, sirens, and LED matrix displays via the CMP and CSDS. This integrated system is ideal for both marked and unmarked vehicles, providing seamless operation and enhanced functionality.

Application 2

Center Stack Display Switch System

For third-party integrations, the CSDS can be used independently to connect third-party GUIs and equipment to the vehicle’s OEM screen. This includes interfacing systems like ANPR (Automatic Number Plate Recognition).

 

Electrical installation, close up angle view with neat wiring in the back of a Volvo.

Typical CARAT Installation

  • CSDS device
  • CMP Controller (Car Advanced Technology) unit to manage blue light control
  • CAN Bridge interface devices
  • MCS Control Unit (to suit application)
  • Hand held microphone with PTT (Push To Talk)
  • 100 Watt siren loud speaker
  • Uno backup switch (in case of screen lock-up/failure)
  • Extra physical handset
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Further Information

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