Waterproof shouting distance audio surveillance Microphone, Directional,Monitor distance: 5m Size 30mm*50mm, Weight 120g

*******Parameter*******

Monitoring distance                         5 mtransmiting distance(shield cable)  3kmFrequency Response                    20Hz ~ 20kHzSensitivity                                   -48dBSNR                                           80dB(1m/40dB)  

                                                  50dB(10m/40dB)1KHz at 1 PaPolar Pattern                               unidirectional   Dynamic Range                            100dB(1KHz at Max dB SPL)Maximum Level Input                    120dB SPL (1KHz,THD 1%)Impedance                                   600ohm (imbalance)Signal Output Extent                     2.5Vpp/-25dbMicrophone                                  high-grade unidirectional  electret condenser micSpecial Circuit                              DSP de-noise, AGC circuit

Protect Circuit                              Over-loading protection, Lightning proofAudio Preamp                               Build-inOutput connector                  Power+, Audio and GND    

Cable                                           3 x 0.5mm2RVVP cableVoltage                                        DC 12V (8 ~ 20V)        Current                                        20 mATemperature                                  -25°C ~ 70°CColor                                           Silvery

Shell's Material                             galvanized copper

Size                                            30mmx50mmWeight                                         120gStandard                                      CE,FCC

*******Detail Introduction*******

*F.TRADIO outdoor waterproof, shouting distance,directional audio surveillance mic,special design for ourdoor talkback, toll booth etc

*The speech clear and naturally, stentorian

*Adopt professional unidirectional  electret condenser mic,within 5m range shouting distance,the sound pick-up very clear.

*Strength directional design can prevent the interference of public road, market,the people noise etc

* Special produced waterproof mic,within 2m in the water also could normal work

* Spiral design, fastening very convenient

* Selfrestraint high-intensity sounds, reliably protecting the back-end audio surveillance equipment

* Low noise,low echo and clear speech,suit for the big demand of outdoor project

* waterproof and dampproof,suit for highway alarm set point, toll station etc *Restraining high intensity voice automatically, protecting rear devices.*Long-distance transmission, the maximum transmiting distance can reach 3km. shield   

*Cable is required: 3 x 0.5mm2 RVVP cable, 4 core phone line, network twist line, etc.*Built-in over-loading protection and lightning proof circuit.*Pre-amplifier, directly drive DVR, VCR, headphone, loudspeaker etc.*Excellent voice experience, widely working temperature: -25~75°C

*According with CE,FCC standard.

F.TRADIO water proof audio surveillance & audio monitoring, sound pickup microphone