This is a vintage National Panasonic R-441B m ulti-band portable
transistor radio. M anufactured in Japan in the m id-1960s.
Features AM (M W ) and shortwave (SW 1, SW 2, SW 3)
wave bands. Can be powered via AC electricity or
batteries. Includes controls for tuning, fine tuning,
volum e, and high/low tone settings.