Pickup Area: 6m(outdoor) Transmission Distance: 3000M Frequency Response: 100Hz～20KHz(90dB sound pressure, A weighting) Sensitivity: -40dB (10.0 mV e 1V at 1 Pa) SNR: 85dB(1m40dB) 80dB(10m40dB) 1KHz at 1Pa Directional Property: Uni-diectivity Dynamic Range: 104dB (1KHz at Max dB SPL) Equivalent Input Noise Level: 2.5Vpp/10dB sound pressure(A weighting) Maximum Gain: 60db Max Sound Pressure: At 120dB SPL, THD< 1% At 125dB SPL, THD = < 10% Max Voice Output: 2.5Vpp/80dB sound pressure(A weighting) Output Impedance: 600～1000Ω non-equilibrium Output Signal Amplitude: 2.5Vpp/100dB sound pressure(A weighting) Microphone: KaBoni advanced uni-diectivity waterproof capacitor microphone Microphone Quantity: 1pcs Signal Processing Circuit: AGC, Triangulation, DSP＆Multistage dynamic noise reduction processing Protective Circuit: Lightning protection, power supply polarity reverse connect protection, ESD protection Connection Way: 3 leading wires(red power lead is positive wire, white audio lead is positive, black is public wire) Transmission Cable: Telephone wire, network twisted pair, shield cable(pls use shield cable in complex electromagnetic enviroment) Supply Voltage: DC9V～20V (recommend to use 12V, more than 500 meters recommended 15V) Working Current: 30mA Electromagnetic Compatibility: GB 9254-2008 Reliability Index: MTBF≧80000 hours Working Environment: -20℃～75℃ Color: Silvery Housing Material: Aluminium alloy Product Size: 35mm×50mm Weight: 120g Place of Origin: Guangzhou, China Supply Ability: Spot goods Approvals: CE, ROHS, FCC, ISO9001
