• Country
• United States of America (USA)

• Manufacturer / Brand
• Ranger Examiner, USA

• Year
• 1938

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 96218

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries / 3× 1.5 & 45 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: 540 Signal Generator - Ranger Examiner, USA

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

• Price in first year of sale
• 33.00 $

• Literature/Schematics (1)
• 1938 Radolek Catalog

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 10 models, 10 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ranger Examiner, USA