• Country
• Poland

• Manufacturer / Brand
• Unitra ELTRA; Zaklady Radiowe; Bydgoszcz

• Year
• 1968–1971

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 217409

• Number of Transistors
• 3

• Semiconductors
• AF428 TG-3A TG50

• Main principle
• TRF without regeneration

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Jacek OM-661 - Unitra ELTRA; Zaklady Radiowe;

• Shape
• Portable set > 8 inch (also usable without mains)

• Author
• Model page created by Wolfgang Lill. See "Data change" for further contributors.

• Other Models

• Here you find 90 models, 83 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unitra ELTRA; Zaklady Radiowe; Bydgoszcz