Tunnel IP Call Box

Tunnel IP Call Box is an assistance equipment in tunnels, usefulfor communication for ask help for drivers.

This technological equipment for assistance of drivers in tunnelshas hands-free mode and high power audio output. In addition, thetunnel IP Call Box, tunnel assistance equipment, has several models, allowing keeping fire extinguishers or a hose.


Audio output with high power

This tunnel assistance equipment has a high-power audio output. In this way, the driver can listen to roadside assistance without that outside noise could be annoying.


Ethernet communication

Tunnel IP Call Box connects to the central assistance road through Ethernet connection, allowing good communication of help for drivers. In addition, this assistance equipment for road can connect through optical fiber.


Space for extinguishers and hose

Tunnel assistance equipment has different models that allow saved between 1 or 2 fire extinguishers and a hose.

Technical specifications

General specifications

  • Hands-free operation mode
  • Full configurable duplex communication
  • Reception and digital audio playback
  • Digitalization and voice transmission
  • Configurable volume level
  • Audio (optional) PA output signal
  • Remote access to the operational status of the post
  • Generation and receiving calls
  • High power audio output
  • Automatic compensation of the audio input signal
  • Sensors of vandalism
  • Detection and sending alarms
  • Settings in local or remote way of operating parameters
  • Local and remote self-diagnosis
  • Reception and execution of tele-comands
  • Power supply by mains, battery or solar panel (optional)
  • Modular construction / easy maintenance
  • Selection of mode “full duplex” / “half duplex”

Environmental conditions

  • Temperature range: – 10° C to 70° C
  • Relative humidity: 5% – 95% (non-condensing)
  • Maximum wind speed: 150 Km/h


  • 1 or 2 fire extinguishers
  • Hose
  • Hose + fire extinguisher

Panel module

  • Microphone
  • Type of unidirectional noise-canceling
  • From 51 to 4 db sensitivity range
  • Frequency response: 1,000 to 8 Hz
  • N ratio greater than 58 db
  • Pushbutton vandal resistant / protection IP 54
  • Speaker 5 “diameter
  • 6 w RMS output power
  • Optional: alphanumeric LCD display of 2 lines with 16 characters


  • Door opening sensor


  • Ethernet / Optional: optical fiber

Service request

  • Internal service request button


  • Body in steel coated with corrosion resistant epoxy paint
  • Doors with labyrinth seals / gaskets in butyl rubber
  • Security locks / metal concealed hinges
  • Body dimensions: 880 x 960 x 230 mm
  • Base dimensions: 880 x 600 x 230 mm

Product codes


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