• Country
• Hungary

• Manufacturer / Brand
• Rotand Rádió; Budapest

• Year
• 1934–1936

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 215778

• Main principle
• Crystal or Solid State Detector

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Gránit Detektor - Rotand Rádió; Budapest

• Shape
• Tablemodel, with any shape - general.

• Notes
• With 2 fix cristal. Sealed.

• Price in first year of sale
• 2.00 Pengö

• Literature/Schematics (1)
• Rotand Rádió Árjegyzék, 1935-36.

• Literature/Schematics (2)
• Rádió és Villamosság, 1934.

• Other Models

• Here you find 46 models, 37 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rotand Rádió; Budapest