50RTM-A2-ChM 1974
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VHF-FM radio station "50RTM-A2-FM" since 1974 produced the Voronezh plant Elektrosignal. Simplex radio telephone mobile subscriber station "50РТМ-А2-ЧМ" is intended for organizing search-free and non-configurable telephone communications in various sectors of the national economy. The frequencies of the 50РТМ-А2-ЧМ radio station coincide with the frequencies of the 51РТМ-А2-СМ radio stations and 65РТС-А2-ЧМ. Approximate communication range up to 30 km. The radio station operates at a fixed frequency in the range from 33 to 46 MHz, with a frequency spacing of 25 kHz. Output power - 9 ... 12 watts. The frequency deviation of the transmitter is 6 kHz. The sensitivity to receive 1.5 mV. The output power of the receiver on the speaker is 0.7 watts. A squelch provides a sensitivity threshold of 2 µV. Battery current consumption in modes; "on-duty reception" about 0.4 A, "reception" - 0.6 A, "transfer" - 3.6 A.
Documentation:
Information from collection of Valery Khartchenko