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ID = 47020
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  TWT, Travelling wave tube   SHF/EHF (>3 GHz) 
Identical to W5/4G

Filament Vf 6.3 Volts / If 0.95 Ampere / Half indirect / Specified voltage AC/DC
Description External solenoid TWT intended for communication applications. Frequency range: 5850 to 7200MHz; gain 36 to 42dB, 10W output at 50mA collector current and 2.1 to 3.4KV helix voltage.
Flying leads. 
Dimensions (WHD)
incl. pins / tip
67 x 444 x mm / 2.64 x 17.48 x inch
Information source - - Manufacturers Literature   
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W5/4G: Private collection
Emilio Ciardiello

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