Radio receiver
Date of appearance: 1965
Manufacturer: Angstrem Factory
Made in: Zelenograd, USSR
Dimensions: 50 × 18 × 38 mm
Weight: g
Tags: russiamakes, россияделаетсама, рдс, политех, polytech

Built on the schematic of direct amplification with five transistors inside. The miniture components made it possible to design the radio as a "badge" to be clipped to a piece of clothing. Detects longwave range. Miniature headphones output. Powered by a single battery D-0.06. A charged battery ensures continuous operation of the receiver for 10-12 hours.