• Country
• Great Britain (UK)

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

• Year
• 1941 ?

• Category
• Military Transceiver (TRX)

• Radiomuseum.org ID
• 209556

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

• Number of Tubes
• 3

• Valves / Tubes
• 6SK7 6SK7 6V6 or 6V6GT

• Main principle
• Transceiver; Reaction

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Powered by external power supply or a main unit. / 6,3 & 360 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Whaddon Radio Set Mk VII "Paraset" - MILITARY U.K. different makers

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

• Dimensions (WHD)
• 110 x 140 x 225 mm / 4.3 x 5.5 x 8.9 inch

• Notes

• The Mk.VII, also known as "Paraset", is a self contained miniature transceiver designed from SIS Section VII. Used from MI6, SIS and SOE. Many of these transceiver supplied supplied during the WW2 to the Resistence forces mainly in France, Belgium and the Netherlands.

  Frequency and coverage:

  RX 3.0 - 7.6 MHz (regenerative detector plus AF stage for AM and CW; 2 x 6SK7)

  TX 3.3 - 7.6 MHz by xtal in two bands (Range 1: 3.3 - 4.5 MHz, Range 2: 4.5 -7.6 MHz), Power Output 4 - 5 watts RF (CW only, by 6V6)

  Power Supply: AC mains unit 110 - 250 V, 40-60 Hz, 1 x 6X5GT rectifier. 6 V DC vibrator unit.

• Net weight (2.2 lb = 1 kg)
• 2.3 lb (2 lb 4.8 oz) / 1.044 kg

• Mentioned in
• RSGB RadCom, November 1982, p. 961

• Author
• Model page created by Georges Van Campenhout † 28.4.22. See "Data change" for further contributors.

• Other Models

• Here you find 146 models, 114 with images and 48 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.K. (different makers for same model)