Manufactured by Sony, Tokyo.
Around 1987, Sony introduced the ICF-5100 miniature receiver as a successor to the ICF-4900 with some cosmetic changes; in the USA, it was sold as the ICF-4920.
The Sony ICF-5100 was the successor of the ICF-4900 multi-band miniature receiver, the analogue set covers seven shortwave bands from 49 - 13 m in addition to the FM broadcast band and mediumwaves.
Double conversion, analogue technology.
The set is equipped with semiconductors.