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The radio amateur set-designer "Yana" from I quarter of 1992 produced the Scientific-Industrial Commercial Enterprise "CAAS". The radio constructor is intended for assembling a set of two small-sized simplex radio stations. The assembly is available even to a beginner radio amateur. For its successful implementation at home, an oscilloscope and a universal measuring device (avometer) are needed. Frequencies of the transmitter and the heterodyne of the radio receiver are stabilized by quartz resonators. PC Specifications: Transmitter frequency 27.14 MHz, output power 10 mW, amplitude modulation. Receiving path - superheterodyne, intermediate frequency 565 kHz. The sensitivity of the radio when the signal-to-noise ratio of 10 dB is not worse than 3 µV. Power supply 9 V. Antenna - telescopic, 650 mm long. The mass of one radio station 245 gr. Working temperature is from 15 to 40 ° C. The range of action in the city is at least 700 m, above the water surface at least 2.5 km. Registration and permission to operate the radio station is not required. The price of a radio designer set is 1300 rubles (for 1992). The company also supplied the country's distribution networks of food products and ready-made radio stations. The price of a set of two assembled and tuned radio stations is 2600 rubles, at the rate of those years ~ 20 dollars.