• Country
• Germany

• Manufacturer / Brand
• Koch, Fritz, Ing., Radio-Laboratorium; Dresden

• Year
• 1932 ?

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

• Radiomuseum.org ID
• 144738

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

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Wellenpolizist - Koch, Fritz, Ing., Radio-

• Shape
• Tablemodel, with any shape - general.

• Notes
• Wellenpolizist;
  Für den Fernempfang, "trennt die Sender, beseitigt Störungen, schaltet Großsender aus".

• Price in first year of sale
• 25.00 RM

• Source of data
• -- Original prospect or advert

• Mentioned in
• Schnorr Radiokatalog 1932

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 3 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Koch, Fritz, Ing., Radio-Laboratorium; Dresden