• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Engineering Labs. (REL); Long Island City (NY)

• Year
• 1931

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 52462

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Storage and/or dry batteries

• Material
• Metal case

• from Radiomuseum.org
• Model: 231 - Radio Engineering Labs. REL;

• Notes
• 20, 40, 80 meter coils. Single tuning control; a perfect regeneration control which will not affect the tuning; an untuned R.F. stage feeding into a detector and one audio.

• Price in first year of sale
• 41.00 $

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Mentioned in
• Lafayette Radio Catalog (1932)

• Author
• Model page created by Peter Rutishauser. See "Data change" for further contributors.

• Other Models

• Here you find 23 models, 11 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Engineering Labs. (REL); Long Island City (NY)