• Country
• United States of America (USA)

• Manufacturer / Brand
• Electro International, Inc.; Annapolis (MD)

• Year
• 1960 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 260296

• Number of Transistors
• 5

• Semiconductors
• 2N1373 2N1373 2N1373 2N1373 2N1373

• Power type and voltage
• Dry Batteries

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: Maritime Distress Tone Generator TG-502A - Electro International, Inc.;

• Shape
• Tablemodel, low profile (big size).

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 0 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Electro International, Inc.; Annapolis (MD)