• Country
• Denmark

• Manufacturer / Brand
• Groot's Radiotekniske Laboratorium; København

• Year
• 1939 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 120019

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Frekvens-Kontrol 92 X [3620 kHz] - Groot's Radiotekniske

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Pluggable crystal with X-cut. Accuracy ±0,1%

• Price in first year of sale
• 19.00 DKK

• Mentioned in
• OZ Juni 1939

• Author
• Model page created by Georg Richter. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Groot's Radiotekniske Laboratorium; København