PRM-4031 is a radio from the 80's. It is designed for short and medium distance communication where it is not suitable or possible to use VHF communication means.
Range: 1.6 to 30 MHz, step 0.1 kHz
Operations: A1, A3j, A3h, A2j
Sensitivity: A1 and A3j 1 uV, A3h 3 uV
Power: 10/2.5 W
Power supply: 12 V battery, handheld generator
Antennas: 2.4m rod and wire
Source: G4BXD
Range: 1.6 to 30 MHz, step 0.1 kHz
Operations: A1, A3j, A3h, A2j
Sensitivity: A1 and A3j 1 uV, A3h 3 uV
Power: 10/2.5 W
Power supply: 12 V battery, handheld generator
Antennas: 2.4m rod and wire
Source: G4BXD