• Country
• United States of America (USA)

• Manufacturer / Brand
• Midland International Corporation, Midland Electronics Company; Kansas City, KS, MO

• Year
• 1998 ??

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 214432

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

• 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 70-2104B - Midland International

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

• Notes
• Hand mike.
  Microfono de mano con DTMF para portatiles Sintech. ANI con velocidad de marcado ajustable.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Alberto Sanna-Alonso. See "Data change" for further contributors.

• Other Models

• Here you find 204 models, 188 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Midland International Corporation, Midland Electronics Company; Kansas City, KS, MO