HF transmitter, part of Larkspur family.
Used by the United Kingdom military since the mid 1950s until late 1970s. Used by the Arab countries from the 1950s until the late 1970s, designated C-11.
Frequency range: 2 to 16 MHz; CW (morse), AM (Amplitude Modulation) voice or FSK (Frequency Shift Keying); output power: 10 Watts low power, 50 Watts high power; supply: 24 Volts DC.
Vacuum tubes technology.
