COTRAL - Vokkero^® wireless communication kit

Facilitate exchanges among your mobile teams by creating a complete and private communication network.

Combining the COTRAL Sound communication kit with a complete hands-free communication system facilitates exchanges among individuals who are geographically distant or who operate in a noisy environment.

Your hearing protection is:

• Manufactured to measure from Crylit^® based on 3D digitisation of your ear impressions taken by our prevention technicians
• Equipped with a certified acoustic filter (SNR 21 dB)
• Combined with a high-performance micro-headset

Technical details of the COTRAL Sound - Vokkero^® communication kit:

• Full duplex and hands-free communication
• Encrypted digital transmission of the communications
• 2 to 6 users in full duplex mode; unlimited number in listening mode
• Range up to 800 metres
• COTRAL Sound headset with differential electret microphone and ear band
• Customised hearing protection made of Crylit^®, COTRAL Prima 3D model

Advantages of the system:

• MFull duplex mode: immediate and permanent audio communication.
• Hands-free: instant speaking without any handling.
• No fixed installation: a fully mobile system for unrestricted movements.
• Toll-free frequencies: no communication costs.
• Patented noise filter: perfect audio quality regardless of the environment.
• Digital encryption: secured and confidential communications.
• Multichannel: several systems can be used at the same site.
• "Group" function: allows sharing of the network in user sub-groups.
• "Push-to-talk" micro cut-off: allows talking to individuals outside the network.
• Compact, light, robust, high degree of autonomy: 
120 x 60 x 25 mm - 150g, IP54, up to 14 hours of use.

Inserting the COTRAL Sound-Vokkero^® wireless communication kit

• Inserting the COTRAL Sound hearing protections
• Removing the COTRAL Sound hearing protections
• Operating the Vokkero^® communication system

Additional information, order or estimate

Similar or related products

Discover the technical sheet of the COTRAL Sound hearing protections.

Discover the Optimum primo equipment pack recommended for the first year of implementation.

Additional information

• To find out more about the Vokkero^® communication systems: www.vokkero.com
• Presentation of the COTRAL customised hearing protections (PDF - 328 Kb)
• COTRAL Sound-Vokkero product sheet and attenuation curves (PDF – 313 Kb)
• User's guide (PDF – 369 Kb)
• Technical sheet on reception of the COTRAL hearing protections (PDF - 310 Kb)