• Country
• Switzerland

• Manufacturer / Brand
• Hasler AG; Bern

• Year
• 1900 ??

• Category
• Morse-Equipment & TTY, RTTY, TDD etc.

• Radiomuseum.org ID
• 77743

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Doppelrelais - Hasler AG; Bern

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 22 models, 21 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hasler AG; Bern