• Country
• United States of America (USA)

• Manufacturer / Brand
• Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)

• Year
• 2005

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 238477

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios)

• Loudspeaker
• - Is a Headphone or Earphone

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Stereo Headset Ht 820 - Motorola Inc. ex Galvin Mfg.Co

• Dimensions (WHD)
• 165 x 165 x 63 mm / 6.5 x 6.5 x 2.5 inch

• Notes

•  Bluetooth or 2,5 mm jack wire.

• Net weight (2.2 lb = 1 kg)
• 0.090 kg / 0 lb 3.2 oz (0.198 lb)

• Price in first year of sale
• 20,000.00 HUF

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 4508 models, 2955 with images and 4002 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)