• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1931–1933

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

• Radiomuseum.org ID
• 5500

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Sperrkreis Rfz19 - Siemens & Halske, -Schuckert

• Notes

• «Wellentrenner»

  Für die Geräte 35W, 35G und 45W

• Price in first year of sale
• 13.00 RM

• Source of data
• Radio-Schnorr-Katalog Nr.53 1931/32 / Radiokatalog Band 1, Ernst Erb

• Other Models

• Here you find 2543 models, 2154 with images and 1347 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München