English: The assembled PCB for Р-855У " Komar " (R-855U) aviation emergency portable VHF radio station. Made in the former Soviet Union (FSU), 1960s
Main elements:
3 x Russian military miniature rod tubes 1Ж29Б (1J29B)
1 x Russian military miniature rod tubes 1П24Б (1P24B)
5 x MП15A PNP Germanium low power transistors
Frequency range 121.5 MHz
Transmitter output power 100 mW
The receiving sensitivity 5 μV