• Country
• Soviet Union

• Manufacturer / Brand
• MILITARY USSR (different makers for same model)

• Year
• 1944–1947

• Category
• Military Transceiver (TRX)

• Radiomuseum.org ID
• 115202

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

• Number of Tubes
• 11

• Valves / Tubes
• СО-257 СО-257 2К2М 2К2М 2К2М 2К2М 2К2М 2К2М 2К2М 2К2М 2К2М

• Main principle
• Transceiver; ZF/IF 1100 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 2,4 / 160 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 1 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: A-7-B FM-Transceiver - MILITARY USSR different makers

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 210 x 385 x 330 mm / 8.3 x 15.2 x 13 inch

• Notes
• VHF FM transceiver for artillery locations and artillery reconnaissance. Covered 24 to 28 MHz, phone only (F3). Transmitter output power around 1W. Standard antennas - 2.5 m vertical or 6.4 meter long flexible wire. Field telephone type handset to listen and talk. Wooden carry case with belts for transceiver and batteries, full weight - 21 kg. Manufactured by several radio works of the USSR. The total production rate for all the A-7 models was up to 1200 units per month in 1943 going up to 4000 units per month in 1944-45.

• Net weight (2.2 lb = 1 kg)
• 15.5 kg / 34 lb 2.3 oz (34.141 lb)

• Source of data
• - - Data from my own collection

• Mentioned in
• -- Collector info (Sammler)

• Literature/Schematics (1)
• Manual for A-7 Radio. Moscow, 1943

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

• Other Models

• Here you find 57 models, 55 with images and 13 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY USSR (different makers for same model)