Sever -
Special purpose compact HF radio. A1 (CW) only.
Transmitter 3.62…6.25 MHz, up to 1.5 W output. Receiver
3.62…12.25 MHz. Powered by BAS-60 dry batteries (4 pcs)
and two "3S" filament batteries. Manufactured from
1941 in Leningrad surrounded by German troops.