HF radio receiver for AM (Amplitude Modulation) or CW (morse), in the frequency range of 0.54 to 30 MHz, in five bands.
Used by the US navy during WW2, designated RAO-7.
Used by the IDF during the War of Independence (1948) and the Sinai Campaign (1956).
Powered by 110 Volts AC.
Weight: 44 Kg.
Vacuum tubes technology. Super-heterodyne with 456 kHz intermediate frequency.
Manufactured by National, USA.