• Country
• United States of America (USA)

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

• Year
• 1953

• Category
• Military Transceiver (TRX)

• Radiomuseum.org ID
• 162858

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

• Number of Tubes
• 27

• Valves / Tubes
• 3B4 3A5 1R5 3A4 1AE4 6AK5 3Q4 1A3 1U4 1L4 1S5 2E24

• Main principle
• Transceiver; 2 AF stage(s)

• Power type and voltage
• Powered by external power supply or a main unit. / 24 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Receiver Transmitter RT-66/GRC - MILITARY U.S. different makers

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 286 x 235 x 327 mm / 11.3 x 9.3 x 12.9 inch

• Notes
• Frequency range 20 - 28 MHz, VFO tuning, output 2 or 16 watts RF. Use with handset H-33*/PT or speaker LS-166/U. Different manuacturers in US, Germany and other countries. Used in most NATO armies.

• Net weight (2.2 lb = 1 kg)
• 17 kg / 37 lb 7.1 oz (37.445 lb)

• Mentioned in
• TM11-289, Dec. 1953

• Author
• Model page created by Georg Nowak. See "Data change" for further contributors.

• Other Models

• Here you find 393 models, 345 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)