• Country
• Great Britain (UK)

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

• Year
• 1930

• Category
• Military Transceiver (TRX)

• Radiomuseum.org ID
• 203532

• Number of Tubes
• 0

• Valves / Tubes
• AT200 AT200 AT200 AT200 AT200

• Main principle
• Transceiver

• Wave bands
• Wave Bands given in the notes.

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Wireless Set No.4 - MILITARY U.K. different makers

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

• Notes
• Wireless set No. 4: Long range transmitter and receiver covering 63 - 375 kHz, telegraphy, frequency shift morse, p_out 500 Watts;
  powered by 8 HP petrol engine driving a double voltage DC generator supplying HT 3000 V, 0,42 A and LT/heaters 20 V, 31 A;
  The Wireless Set 4 consisted of a modified experimental transmitter type "D", a receiver type "D", a generator and aerial gear on a six wheeled lorry, it was intended to be used for communications between GHQ and Corps headquarters.

• Mentioned in
• Wireless for the Warrior Vol. 1, L. Meulstee

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 151 models, 117 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)