• Country
• Soviet Union

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Soviet Union

• Year
• 1947–1975 ?

• Category
• Commercial Transmitter (TX not Transceiver)

• Radiomuseum.org ID
• 194470

• Number of Tubes
• 13

• Valves / Tubes

• Main principle
• Transmitter

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line / Batteries (any type) / 27 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Metal case

• from Radiomuseum.org
• Model: Berkut R-807 - Unknown - CUSTOM BUILT: Soviet

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

• Notes
• AM, CW aircraft transmitter. Sometimes used in past SU long distanc boats too.
  Coverage: MW 200 - 1500 kHz, SW 2 - 18,1 MHz (early variant)
  SW 2 - 30 MHz only (later variant).
  Communication range CW/AM - 8000/3000 km.
  27V DC line supply or inverter type U-600.
  10 fix frequencies and cable remote control possibility.
  Prototype - USA company COLLINS transmitter AN/ART-13.

• Net weight (2.2 lb = 1 kg)
• 57.5 kg / 126 lb 10.4 oz (126.652 lb)

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

• Author
• Model page created by Zenonas Langaitis. See "Data change" for further contributors.

• Other Models

• Here you find 172 models, 158 with images and 37 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Soviet Union