R-158 (Р-158) is a portable VHF radio transceiver which entered service with the Soviet military in 1979. It was designed for use at platoon level.
Technical specifications
Frequency modulation
Operating modes: Radio telephone and tone calling
Frequency range: 30 - 79.975 MHz
Tuning system: PLL frequency synthesis with 25 kHz steps, selected via rotary switches 2000 total available channels Sensitivity (at a signal-to-noise ratio of 20 dB): 1 μV Superheterodyne with two frequency transformations Intermediate frequencies: 1st IF - 11.5 MHz; 2nd IF - 1.5 MHz RF output power: 1 Watt Frequency deviation: 5 kHz Spurious emission suppression: 45 dB Communication range: With AШ-1.5 (Kulikov's pin antenna) - up to 4 km With λ-shaped antenna - up to 10 km Power supply: Nickel-cadmium battery type 10NKGC-1D (10НКГЦ-1Д) at 12 volts, or from a 12 volt vehicle supply Current consumption: Receiving mode 60 mA, transmission mode 580 mA Operating temperature range: -40 to + 50 °C Overall dimensions: 80 х 165 х 263 mm Weight of the radio: 3.6 kg Transistorized circuitry