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Three-Wire Surveillance Kit
The three-wire surveillance kit consists of three modular components: a microphone, a PTT switch (various options available) and an earset. This allows the user to position the microphone to best fit the immediate need, i.e. transmit user's voice or pickup nearby conversations. Because each component is modular, they can be changed easily. In fact, the three-wire system is the industry's only surveillance kit that quickly converts from a three-wire to a two-wire system as the situation dictates.                                                                                                                      

Ear hanger, and ear insert are standard.

                                       

 

Coiled tube and open earmold can be purchased as accessories.

                                                                                                                    

Specifications Microphone
Sensitivity -38 dB plus or minus 2 dB @ 1Khz
Frequency Response 100 to 16,000 Hz
Current Consumption 50 uA Nom, 500 uA Max
Impedance 2.2KOhm Nom
Specifications Receiver
Sensitivity (Sound Pressure Level) 120 dB plus or minus 3 dB @ 1Khz
Frequency Range 20 to 3500 Hz
Impedance 250 Ohm
Specifications PTT Switch
PTT Type Normally Opens Contacts
Operations 750,000 Nom
Operating Temperature Range -30 degree to +70 degree Centigrade
  Costs: Buy Online
 

 

 

 

 

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