• Country
• Italy

• Manufacturer / Brand
• MILITARY Italy (different makers for same equipm.)

• Year
• 1917

• Category
• Military transmitter

• Radiomuseum.org ID
• 178456

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Transmitter

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Trasmettitore di bordo per dirigibili OPD - MILITARY Italy different

• Shape
• Tablemodel, with any shape - general.

• Notes
• The OPD transmitter was designed by the engineering section of Italian Air Forces. The name OPD stays for 'Onde Persistenti per Dirigibile' or 'Continuous Wave for Airships'. The operating wavelength was 300m.

• Literature/Schematics (1)
• Ali ed Onde, F. Soresini, Ed. A.I.R.E.

• Author
• Model page created by Emilio Ciardiello. See "Data change" for further contributors.

• Other Models

• Here you find 17 models, 9 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY Italy (different makers for same equipm.)