• Country
• Great Britain (UK)

• Manufacturer / Brand
• Gambrell Bros.Ltd., London

• Year
• 1920 ??

• Category
• Commercial Transmitter (TX not Transceiver)

• Radiomuseum.org ID
• 311109

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• Transmitter

• Wave bands
• Long Wave and/or Very Low Frequency (VLF).

• Power type and voltage
• Powered by external power supply or a main unit. / 6 & <=1000 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Transmitter 10 A 3000 - Gambrell Bros.Ltd., London

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 280 x 280 x 200 mm / 11 x 11 x 7.9 inch

• Notes

• Frequency range: 150 kHz - 350 kHz

  For Twin Engine Aircraft or Single Engine Aircraft

• Net weight (2.2 lb = 1 kg)
• 4.7 kg / 10 lb 5.6 oz (10.352 lb)

• Author
• Model page created by Musée des Radios Museum. See "Data change" for further contributors.

• Other Models

• Here you find 42 models, 36 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gambrell Bros.Ltd., London