• Country
• Germany

• Manufacturer / Brand
• UNBEKANNTE FIRMA D / A / CH - Siehe Anleitung unter der «Firma»

• Year
• 1943 ??

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 160865

• • alternative name: Unknown, Custom Built

Click on the schematic thumbnail to request the schematic as a free document.

• Main principle
• Crystal or Solid State Detector

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: HF-Stromwandler Ln 26997-2 - UNBEKANNTE FIRMA D / A / CH -

• Dimensions (WHD)
• 63 x 34 x 15 mm / 2.5 x 1.3 x 0.6 inch

• Notes
• HF-Stromwandler, z.B zur Messung des Speisestroms einer Sendeantenne.

• Net weight (2.2 lb = 1 kg)
• 0.033 kg / 0 lb 1.2 oz (0.073 lb)

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

• Other Models

• Here you find 464 models, 402 with images and 40 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from UNBEKANNTE FIRMA D / A / CH - Siehe Anleitung unter der «Firma»