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Radio station "R-838K" (Kremnitsa) was produced since 1988. "R-838K" is a complex of radio stations designed for the organization of simplex radio communication without search and adjustment in the system of stationary and mobile objects. The main purpose is the aerodrome radio networks. In the RS complex: R-838KS - stationary with power supply from 220 V; R-838KA - automobile with power supply from the onboard network of 12 V or 24 V; R-838KP - automotive with control from two consoles; R-838KN - wearable with power from the built-in battery. The frequency range: Option "B" - 142 ... 142.975 and option "G" 163,200 - 164.175 MHz. Memory: R-838KN: 4 channels. R-838KA, R-838KS, R-838KP: 40 channels. Type of radiation: FM (F3E). Signaling systems: Tone call. Communication range: by car between themselves: 7 ... 15 km, by car with wearable: 1 ... 3 km, by car with stationary: 20 ... 40 km. The overall dimensions of the transceiver: R-838KA, R-838KS, R-838KP - 230x230x70 mm. Weight P-838KN: 1.3 kg. P-838KA: 20 kg. R-838KS: 7 kg. R-838KP: 15 kg. The output power of the transmitter R-838KN: 1 watt. R-838KA, R-838KS, R-838KP: 8 watts. Receiver sensitivity: 1.2 µV. Each radio station provides the transmission of a tonal call to a central radio station, the transmission and reception of a common tone call, and the radio station R-838KS. R-838KA, R-838KP - reception of 1 out of 100 options for the frequencies of an individual dial tone.