3-23 MHz, CW, made for export, Soviet spy transceiver. ~10W.
Not too many of this type were produced around the 1980s.
Its predecessor was the R-350 series, and its successor was the R-394 series.
Its power supply includes several options.
From a battery, which can also be charged with the built-in hand-driven generator, and it can be operated from various voltages, even from the mains.
It is in good condition, tested on an amateur track and works properly.