Radio receiver `` 3B-17 ''.
Radiols and receivers p / p stationary.DomesticThe radio "3B-17" was produced presumably since 1968. It is designed to receive radio transmissions during operation on spacecraft. The set includes a radio receiver, an antenna adapter box and a loudspeaker. The receiver is built on transistors and semiconductor diodes in a superheterodyne circuit and operates in the medium wavelength range and two short wavelength subbands. A battery with a radioactive element is used as a power source, which is not afraid of space radiation, temperature drops and does not need to be recharged.
