Sever-bis -
Special purpose compact HF radio. A1 (CW) only.
Transmitter 2.56…5.77 MHz, up to 1.3 W output.
Receiver 2.22…6.66 MHz. Powered by BAS-60 dry
batteries (4 pcs) and two "3S" filament
batteries. First version (Sever) was manufactured from 1941
in Leningrad surrounded by German troops.