Portable radio `` Doris '' (Tesla 2702B).
Portable radios and receivers.ForeignPortable radio "Doris" (Tesla 2702B) has been produced since 1961 by "Tesla", Czechoslovakia. Superheterodyne on 6 transistors. Range 535 ... 1520 kHz. IF 452 kHz. Power supply 6 volts from 4 AA cells. Rated output power 70 mW. The range of reproducible frequencies is 300 ... 2000 Hz. Dimensions of the model are 140x80x40 mm. Weight 450 grams. A mechanical watch with a docking station was sold to the receiver.
