THR9 Ex

Intrinsically Safe TETRA Radio

The robust and modern THR9 Ex TETRA hand portable radio from CASSIDIAN combines high performance, IP65 classification and security in mission-critical voice and data communication where intrinsically safe products are needed.

  • Certified according to ATEX and IEC-Ex specifications
  • Large QVGA colour display
  • Resistant to water, dust and exposure
  • Lifeguard – the advanced man-down alarm for user safety
  • Vibrating alert
  • Powerful 2000 mAh battery
  • Battery and accessories can be changed within Ex area


For enhanced user safety, the radio provides an advanced Lifeguard solution, also known as man-down alarm. If the radio stops moving or remains horizontal for too long, it triggers a local alert. If the user does not respond, the radio automatically activates an alarm and sends its coordinates to a predefined destination over the TETRA network.

With ATEX and IEC-Ex certification for both gas and dust, the THR9 Ex offers the best protection against physical and environmental exposure in explosion-prone areas. The THR9 Ex also meets the needs of fire brigades for Ex-equipment when working in hazardous conditions.

The large display supports high usability and also makes the THR9 Ex suitable for applications such as positioning, image communication, reporting and searching for information in databases. The THR9i Ex radio is fully customisable to suit each user organisation's needs and preferences.

For enhanced user safety, the radio provides an advanced Lifeguard solution, also known as man-down alarm. If the radio stops moving or remains horizontal for too long, it triggers a local alert. If the user does not respond, the radio automatically activates an alarm and sends its coordinates to a predefined destination over the TETRA network.

The outstanding battery capacity keeps the radio powered even during long-lasting operation. Versatile Ex audio accessories provide enhanced ergonomics and user comfort.

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