Detailed Product Description

These units operate with a very sensitive transducer placed on the wall to detect sound through the wall. The surveillance operator now has the option to monitor long distance through the integral transmitter of the ELW82 as well as on site through headphones. The ELW82EN provides protection against discovery by encrypting the signal before transmission. The system carrying case contains: Transducer with mounting accessory, Amplifier (with internal PP3 battery) Headphones SPECIFICATIONS FREQUENCY RANGE: 350 - 960MHz OUTPUT POWER: 350mW FREQUENCY STABILITY: +/-5ppm MODULATION: narrowband FM DEVIATION: 5kHz ANTENNA: external semi-flexible cable MICROPHONE: external contact type CONTROLS: off/volume knob OUTPUTS: headphone record INDICATORS: 'on' LED 'low battery' LED FEATURES: encryption (ELW82EN) POWER SUPPLY: 9V (internal), PP3 or 9VDC external SIZE: 105 x 60 x 20mm