torn. fu. f radio transmitter reciever used by the infantry. germany 1941

white background radio transmitter frequency strategy communication torn fu receiver infantry carry set box batteries germany 1941 telefunken military wwii rearmament vacuum tubes rv2p800 filament battery 4nc38 90 volt anode fernbesprechungsger bf ff33 telephones range 25 km a1 mode cw 12 a3 voice stationary operation vehicles whip bunker fortress antenna systems abst external