The portable radio receiver &quot;Trav-Ler TR-283&quot; (Power-Mite) has been produced since 1958 by the corporation &quot;Trav-Ler Karenola Radio &amp; Television&quot;, USA. Superheterodyne 5 transistors. Range - 540 ... 1620 kHz. IF - 455 kHz. AGC. Powered by a 9 volt tubular battery. Receiver dimensions 140x85x40 mm. Weight 370 grams.

... Non-commercial use for the visual preservation of images of devices released by the radio industry of the world in the 20th century.

Portable radio `` Trav-Ler TR-283 '' (Power-Mite).