Portable VHF transmitter-receiver, used by all tactical echelons.
Used by the US military from early 1960s until mid 1980s, designated AN/PRC-25 and AN/PRC-77.
Used by the IDF during the War of Attrition (1967-1970), the Yom Kippur War (1973) and the Peace for Galilee War (1982). MQ-77 was used simultaneously with MQ-25 since early 1970’s.
Frequency range: 30 to 75.95 MHz; FM (Frequency Modulation); 920 channels; output power: 1.5-2 Watts; battery: BU-386 (replaced over time by BU-3386 and BU-5598); weight: 10 Kg; range: 8 Km.
MQ-25 transmitter-receiver was called MH-505, MQ-77 transmitter-receiver was called MH-841. Both look alike.
Accessories: short antenna AN-892 with flexible sleeve, long antenna AN-271 with base BA-591, handset MJD-189 or MJD-250, Loudspeaker RMQ-25.
Transistorized; MQ-25 (MH-505) used vacuum tube in transmitter power amplifier; MQ-77 (MH-841) used transistor in transmitter power amplifier.
VHF Portable Radio Set MQ-25/MQ-77
