R-807 “Berkut” aircraft radio transmitter.

r-807-berkut-1

Modulation: AM, CW.
Frequency range: 200 – 1500 kHz, 2 – 18.1 MHz.
27V DC line supply or inverter type U-600.
10 fix frequencies and cable remote control possibility.
Prototype – USA company COLLINS transmitter AN/ART-13.

http://overlandtravel.org/r-807-berkut-aircraft-transmitter/