CMI Microphone (powered) robust Steel case vandal resistant
Offers exceptional audio quality and sound pick up over a large area with built in electronics to aid noise reduction and close range audio overload distortion.
Can be fixed to a wall or ceiling and is designed and is designed to be as in and is designed to be as innocuous as possible in a small cigarette pack size rugged steel vandal resistant box. The response of the microphone has been tailored for conversation recording using sophisticated audio processing, with clear crisp sound with pick up to 30 metres. With full sensitivity set you can even hear conversations in adjacent rooms / corridors.
Can be labeled for disguise e.g. air sensor, temperature monitor
For covert applications a pin - head size microphone attached to a 5 metre cable is available. Simple place the mic in a crack or hole etc.