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Radio station "R-116" (Lily of the Valley) was produced since 1950. "R-116" is a portable, army, backpack, 10 channel, simplex VHF radio station of 6.17 ... 5.85 m range. The radio station is assembled according to a transceiver scheme. The receiver is assembled according to the direct amplification scheme and has 3 stages: UHF, superregenerative detector, ULF. The functions of the HF and LF signals are performed by the same 2L27P radio lamp. When transmitted through appropriate switching cascade superregenerative detector turns into a master oscillator. This cascade works on the lamp 2Ж27П. Amplitude modulation is performed in the output stage assembled on the 2P29P lamp. The kit of the entrance radio station includes a flexible whip antenna Kulikov with a height of 0.95 m and a whip antenna with a height of 1.45 m. The range of reliable two-way communication to a whip antenna with a height of 1.45 m with a similar type radio station is up to 1 km. The efficiencylessness and lack of communication will remain as if the radio stations are in the same temperature conditions within 50 -40 ° C. The radio station is powered from a dry, combined anode-filament battery '' BANS-18M '. Main features: Frequency range 48.65 - 51.35 MHz (10 channels, 300 Hz pitch). AM modulation. Setting the frequency - switch to 10 positions. The sensitivity of the receiver is 6 µV. The transmitter output power is about 60 mW. The time of continuous operation is 12 ... 18 hours (with a transmission / reception ratio of 3: 1). The dimensions of the radio station are 310x325x170 mm; its weight is 4.2 kg.