KMR-358

Directional microphone

Endowed with amplifier to discreetly listen to distant conversations. Equipped with Windscreen protection and a mechanic vibration attenuation device. Case and earpiece are included.

• Microphone type: condenser and electret
• Sensitivity: -60 dB (1 kHz, 0 dB = 1v/µbar)
• Operative range: 50 Hz ~ 10 kHz
• S/N ratio: 40 dB or over
• Listening range:about 100 meters