Description

 Designed for sea kang, dahua network camera and network video server tailored network pick-up, built-in multistage dynamic noise reduction processing, voice clear, low noise.

 Pinhole type design, convenient installation, hidden UFO flying saucer appearance design, reveal beautiful and practical.

 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 of fifty square meters.

Parameter

 Signal transmission distance: the longest can up to 3000 meters

 Monitoring Range: 10 -50 square meters (built-in potentiometer, adjustable)

 Mic quantity: single mic

 Frequency response: 20-20K Hz

 Sensitivity: - 40dB

 Signal-to-noise ratio: 75 dB

 Directivity:Omni-direction

 Output impedance: 600 ohm non equilibrium

 Output signal amplitude: 2.5 Vpp / -25 db

 Bearable sound pressure: 120 db SPL (1 KHZ, THD 1%)

 AGC automatic gain circuit, the lightning protection, power reversal of polarity protection

 Connection mode: red line for dc 12 v positive, black line for the public, the white line for audio positive.

 Transmission cable: 3 core 0.5 mmRVVP shielded cable, common 4 core line, 5 kind of network twisted-pair cable

 Power supply voltage: dc regulated power supply DC12V

 Supply current: 20mA

 Working environment: - 300 c - 600 c

 Colour: white, other color can be customized.

 Weight: 12 g

 Size: 23mm*60mm

 Shell material: Stainless steel

 Origin: shenzhen

 Availability: spot supply

 Conform to the standard: the European Union CE standard, the FCC certification, environmental protection ROHS system, the highest inspection synchronous recording system specification