• Country
• United States of America (USA)

• Manufacturer / Brand
• Sonar Radio Corp.; New York

• Year
• 1960 ??

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 119201

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Dry Batteries / 9 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: VHF Sentry FR-103 - Sonar Radio Corp.; New York

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes
• AM Broadcast band and two Xtal controlled VHF (~150 MHz) channels, battery indicator, built-in telescopic antenna. Made in Japan.

• Source of data
• -- Collector info (Sammler)

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

• Other Models

• Here you find 20 models, 16 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sonar Radio Corp.; New York