• Country
• Hungary

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Hungary (H)

• Year
• 1937–1940 ?

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 302920

• Main principle
• Crystal or Solid State Detector

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Metro detektor - Unknown - CUSTOM BUILT:

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 70 x 50 x 27 mm / 2.8 x 2 x 1.1 inch

• Net weight (2.2 lb = 1 kg)
• 0.018 kg / 0 lb 0.6 oz (0.04 lb)

• Mentioned in
• -- Collector info (Sammler)

• Author
• Model page created by Sándor Perneky. See "Data change" for further contributors.

• Other Models

• Here you find 56 models, 50 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Hungary (H)