• Year
  • 1998 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 214431

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit. / 7-10 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: DTMF 70-2103B - Midland International
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • Hand mike.
    Microfono de mano con DTMF para portatiles Sintech
  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)

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The model DTMF is part of the collections of the following members.

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