Push to Talk and Remote Speaker Microphones

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MSA Push to Talk (PTT) and Remote Speaker Microphones (RSM) modules enable connection between MSA headsets and Portable Radios used by Emergency teams.

With a robust and ergonomic design, they are perfectly suited for various types of firefighting and rescue missions.

Interfaces are available for a large variety of radios.


  • 2 in 1, flexible device for stand-alone use or in connection with a headset (helmet or mask mounted).

Ergonomic, intuitive operation

  • Extra large, side and front PTT buttons, easy to operate with gloves or under fire jacket
  • Simple, robust design suitable for right or left hand operation
  • Emergency call button (for certain radios only)

High speech intelligibility

  • Built-in speaker with adjustable, high volume and clear signal
  • Integrated noise cancelling microphone to minimize surrounding noises

Robust headset connection

  • 4 pin, Nexus type Socket to connect most MSA headsets (helmet or mask mounted)
  • Listen only earphone connection, 3.5mm jack socket

Gallet PTT

  • Extra large PTT button, easy to operate with gloves or under fire jacket
  • Connection to most MSA headsets with robust, anti-tearing connector
  • Easy attachment with belt clip of pincer
Markets: Fire Service, General Industry, Oil & Gas, Utilities
Applications: Firefighting, Search & Rescue

Approvals subject to change without notice and may differ based on configuration, part number and/or country.
Contact Customer Service or check approval label on product for specific approval information.

ATEX certificate