Audio transmitters | audio infra transfer | |
Audio transmitter in infra band. | |
| Producer: IRLAVS Ltd. Number of cataloque: 01-F01 | Availibility: in store
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CHARACTERISTICS - high sensitivle microphone Knowles, which records i tick-tack of mechanical wristwatch in monitored room. - excellent security of monitoring area - unlimited operating time - unidentifiable with common measurements and companies, which searching listenings professionally - possibility of remote controlling of switch on/off, which makes it impossible its discovering BASIC DESCRIPTION Range audio transmitter with infra trransferring is determined into areas, where is high probability of finding other monitoring devices. And where are maked continous checking by companies, which make proffessional finding of listening devices. PROPERTIES Principle of monitoring vests in modulating of audio signal on carrier frequency whith very high frequency, in which are modulated special infra diodes. That transmit in band, which is unregistering for . Demodulation of taht signal into normal speech ensure special decoding device. The transfer is possible on distance up to some hunderts meters from monitored room !!! Direct visiblity to object's windows is one condition.Detectors of non linear junctions are invalid, if the device is installed on the right place !!! | ||