• Country
• United States of America (USA)

• Manufacturer / Brand
• MILITARY U.S. (different makers for same model)

• Year
• 1942 ??

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

• Radiomuseum.org ID
• 116778

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

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Transmitter Tuning Unit TU-22 - MILITARY U.S. different makers

• Dimensions (WHD)
• 420 x 200 x 220 mm / 16.5 x 7.9 x 8.7 inch

• Notes
• Tuning unit 350 to 650 kHz. This unit was common to both BC-191-(*) and BC-375-(*).

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Mentioned in
• Radio Service Manual B-24D Airplane

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

• Other Models

• Here you find 399 models, 351 with images and 210 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.S. (different makers for same model)