Vehicle-mounted 30m long distance Microphone Mainly used for law enforcement vehicles

Parameter: Audio monitoring distance               audio surveillance distance 0-20m(60Db),30m(80dB)transmiting distance(shield cable)   3kmFrequency Response                     20Hz ~ 20kHzSensitivity                                     -38dBSNR                                           >40Db(  outdoor),>70Db(indoor)Polar Pattern                               45° Wide directivityDynamic Range                            90dB(1KHz at Max dB SPL)Maximum Level Input                     120dB SPL (1KHz,THD 1%)Impedance                                    600ohm (imbalance)Signal Output Extent                     2.5Vpp/-25dbMicrophone                                  45° Wide directivity(dikaryon mic)Special Circuit                              DSP de-noise, AGC circuitProtect Circuit                              Over-loading protection, Lightning proofAudio Preamp                              Build-in

Output connector                          Power+, Audio and Public GND    

Cable                                           3 x 0.5mm2 RVVP cableVoltage                                        DC 12V (8 ~ 20V)        Current                                        33 mATemperature                                 -25°C ~ 70°CColor                                            Black Case,silver catopterShell's Material                            alloySize                                            200mm × 140mm× 155mmWeight                                        1395g

Certification                                 CE FCC

Y.TRADIO vehicle-mounted audio surveillance systems