ALPHA – Hands-free radio communication kit – Railway – 4 users

This kit includes 4 VOKKERO GUARDIAN wireless radio terminals, 4 Peltor headsets specifically designed for active listening to the environment, and various accessories for easy use of the VOKKERO GUARDIAN.


  • Rail

Unlimited users

Unlimited number of users


Intuitive operation, no fixed installation required


Hands-free system, instant and continuous communication

Noise filter

Patented noise filter, suppresses ambient noise

Group function

Group” function available.


Alarm function: vibrate or beep

Bluetooth compatibility

Bluetooth compatibility (phones and accessories): discover the tutorial

Clear audio

Clear, intelligible audio

Digital encryption

Digital encryption, secure exchanges


Users can hear surrounding sounds and voices

Kit contents

• 4 mobile radio terminals (Europe, standard version);

• 4 Peltor headsets with active listening (PEL 441);

• 1 configurator/charger and power cables;

• 4 spare batteries for GUARDIAN radio terminals;

• 4 hygiene kits for PEL 441 headsets;

• 1 rigid transportation case;

• 1 user guide;

• 1 easy-to-read Quick Start Guide;

• Also available in clamshell version (PEL 442);

• Also available with VOKKERO GUARDIAN STANDARD in Bluetooth version in conjunction with Peltor Bluetooth headsets (same features as PEL 441)..;

Technical specifications

  • Audio: 8khz
  • Range: up to 1.2 km
  • Battery life: Up to 12 hours (rechargeable Li-Polymer battery)
  • 10 Royalty-free frequencies in compliance with European radio regulations
  • Weight: 190g (incl. battery)
  • Dimensions: 70 x 110 x 28mm
  • Operating temperature : -10 / +50°C (14/122°F)
  • Load: max. 4-hour charge