• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Shack (Tandy, Realistic, Micronta); USA

• Year
• 1980 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 303873

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 6

• Semiconductors

• Main principle
• Transceiver

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 9 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Metal Detector Micronta 3001 - Radio Shack Tandy, Realistic,

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 250 x 100 x 100 mm / 9.8 x 3.9 x 3.9 inch

• Notes

• Very Low Frequency (VLF) Induction Balance (IB) Transmitt/Receiver (TR) type;  the Receiver and the Transmit antenna coil are enclosed in a plastic disk at end of an aluminuim mast (variable length from 40 to 60 centimeters);  working frequency about 18 kHz.

• Net weight (2.2 lb = 1 kg)
• 1 kg / 2 lb 3.2 oz (2.203 lb)

• Mentioned in
• -- Original-techn. papers.

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

• Other Models

• Here you find 1299 models, 1181 with images and 117 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Shack (Tandy, Realistic, Micronta); USA