VHF transmitter-receiver, component of GRC-3 to 8 series ‑ family of vehicular VHF radio communication equipment, used by all tactical echelons.
Used by the US military from early 1950s until late 1960s, designated RT-68/GRC.
Used by the IDF during the Six Day War (1967).
Frequency ranges: MH-67: 27 to 38.9 MHz, 120 channels in 100 kHz steps; MH-68: 38 to 54.9 MHz, 170 channels in 100 kHz steps.
FM (Frequency Modulation); output power: 9 to 16 Watts; powered by 12 Volts DC; range: 20 km, depends on terrain.
Vacuum tube technology.
