Description

 Designed for sea kang, dahua network camera and network video server tailored network 

 Built-in multistage dynamic noise reduction processing, voice clear, low noise.

 Pinhole type design, convenient for hidden installation

 Built-in AGC automatic gain circuit to make the sound amplitude output amplitude more balance, sound playback effect more smooth and comfortable Reliable protection after end equipment

 Monitoring area: 10~50 square meters.

Parameter

 Frequency range: 100-100 KHz

 Output impedance: 600 ohm non equilibrium

 Transmission distance: 80 meters

 Directivity:Omni-direction

 Signal-noise rate: 75db

 Sensitivity: -40db

 Apply to HIKVISION, dahua network camera and web server.