Radio station `` R-353 '' (Proton).

Receiving and transmitting radio equipment.The radio station "R-353" (Proton) was produced presumably since 1977. HF radio station for special services. Rod lamps. At the exit of GU-19. Output power 50 watts. Telegraph and data transmission. The radio station has an encoder and a decoder-reader from a magnetic tape. Information transfer rate is 400 baud. There is also a mechanical disc-type encoder for the transmission of numbers. A telegraph key can be connected to the HC. There is a backlight lamp, a notepad of frequencies. A power supply unit is attached to the HC - mains for voltages ~ 85 ... 240 volts and a converter from 12 volts. Frequency range: transmitter 3.5 ... 16.0 MHz, receiver 3.0 ... 16.0 MHz. Communication range 500 ... 3000 km. Amplitude telegraphy. Semi-automatic sensor 6-15 gr / min, automatic sensor - 250-500 gr / min. The method of registering information at the Center is recording on a tape recorder with subsequent reproduction by ear. Kit weight 10.5 kg.