R350m Soviet radio station for reconnaissance units. It is a modernized version of R350. It used more modern rod tubes than the original R350.
Range 2 to 12 MHz, power 10 W. Sensitivity about 5 microvolts. The receiver wiring was rather obsolete. The message was perforated on 35 mm film. Transmission speed from perforated film about 450 characters per minute. In a pinch, it was also possible to transmit digits using a "pen" from the stencil on top of the key by pulling.
Range 2 to 12 MHz, power 10 W. Sensitivity about 5 microvolts. The receiver wiring was rather obsolete. The message was perforated on 35 mm film. Transmission speed from perforated film about 450 characters per minute. In a pinch, it was also possible to transmit digits using a "pen" from the stencil on top of the key by pulling.