Portable radio `` Hoffman BP-707 ''.

Portable radios and receivers.ForeignThe Hoffman BP-707 portable receiver has been manufactured since 1959 by Hayakawa Electric, Japan, for the Hoffman Radio Corporation, USA. Superheterodyne with 7 transistors. Range - 535 ... 1605 kHz. IF - 455 kHz. AGC. Maximum output power 100 mW. Power supply 9 volts. Dimensions of the model 114x68x32 mm.