• Country
• Germany

• Manufacturer / Brand
• Radiofrequenz GmbH; Berlin-Friedenau (später Loewe)

• Year
• 1926/1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 16287

• • Brand: Ges. für Radiotelephonie mbH

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 2-Röhrengerät - Radiofrequenz GmbH; Berlin-

• Notes
• 19-4500m!;geeichte Stationsskala, auch seitlich!

• Price in first year of sale
• 200.00 RM

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radio-Bauer, Kat. Nr. 6, April 1927 / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 29 models, 19 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radiofrequenz GmbH; Berlin-Friedenau (später Loewe)