Very tender microphone, from preamplifier (be hearing touching clock) it makes possible on leadership of exact supervision in room in which was installed. Quartz stabiliser about value 433,092 MHz!!! maintenance exact frequency makes possible. Reinforced from 9V ( the battery 9F22) or from 7,2 to 12 V of feeding modules. Destination Every kind audio applied internal rooms supervision. The range of real emission of signal from 250 m in every terrain. The maximum result of emission of signal he, what was received on this the type the transmitter 800 m in open terrain Modulation FM (aberration +/-15 kHz) Of audio track Very high tenderness Exit power 10-20 mW The stability of frequency +/-15 Khz Emission harmonic < -36 dBm Maks.the frequency of modulation 15 kHz Power supply 6 - 12 VDC The temperature of work -10...+ 55 oC Range of emission of signal 250 m Dimensions 37 mm x 8 mm x 1,5 mm