Portable radio stations "Karat" and "Karat-M".
Receiving and transmitting radio equipment.Portable radio stations "Karat" and "Karat-M" were produced presumably since 1977 and 1981. "Karat" and "Karat-M" - portable single-channel radio stations for radiotelephone communication in agriculture, forestry, geological service, etc. The radio stations are powered by a battery pack consisting of 8 R-20 cells. In the radio station "Karat-M", in contrast to the radio station "Karat", the cascades of the radio receiver, with the exception of the output stage of the ULF, are made on microcircuits. Specifications: Frequency range: 1.6 ... 2.85 MHz. Output power: 500 mW. Sensitivity: 3 μV. Power consumption: reception (Carat) 0.45 W, (Carat-M) 0.55 W, transmission 2.5 W. LF (sound) output power: "Karat": 50 mW (at 10% THD), "Karat-M": 100 mW (at 7% THD. Communication range: up to 7 km on whip antennas, up to 30 km or more on tilt beam antennas. Dimensions of the radio station 232x98x105 mm. Weight about 1.1. The radio stations "Karat" and "Karat-M" can be used with similar single-band radio stations "Almaz", "Groza", "Kedr-3", "Niva", "Niva-M" and others.
